{"title":"Lab Created \/ Assembled Faceted Gemstones","description":"","products":[{"product_id":"emerald-faceted-cubic-zirconia-5x3-16x12mm","title":"Emerald Faceted Cubic Zirconia","description":"\u003cp\u003eEmerald faceted cubic zirconia offers jewelers and metalsmiths a brilliant, affordable alternative to precious gemstones. These man-made stones deliver strong brilliance and sparkle, making them ideal for statement pieces, diamond substitutes, or practicing setting techniques. Available in a wide range of sizes — from a delicate 5 x 3mm up to a commanding 16 x 12mm — these colorless CZ stones are well-suited for a variety of jewelry applications and everyday wear.\u003c\/p\u003e\n\u003cp\u003eClean with warm, soapy water. Use of an ultrasonic or steam cleaner is generally safe.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eColorless emerald-cut faceted cubic zirconia\u003c\/li\u003e\n\u003cli\u003eMan-made synthetic gemstone — affordable alternative to precious stones\u003c\/li\u003e\n\u003cli\u003eStrong brilliance and sparkle suitable for fine and fashion jewelry\u003c\/li\u003e\n\u003cli\u003eIdeal for statement pieces, diamond substitutes, or setting practice\u003c\/li\u003e\n\u003cli\u003eSuitable for firing in place using lowest temperature settings\u003c\/li\u003e\n\u003cli\u003eSafe for ultrasonic and steam cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eColorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eEmerald (Faceted)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTreatment\u003c\/th\u003e\n\u003ctd\u003eSynthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCalibration Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/– 0.20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCleaning\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water; ultrasonic and steam cleaners generally safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eApprox. Carat Weight\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e905-012\u003c\/td\u003e\n\u003ctd\u003e5 x 3mm\u003c\/td\u003e\n\u003ctd\u003e0.25 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e905-017\u003c\/td\u003e\n\u003ctd\u003e6 x 4mm\u003c\/td\u003e\n\u003ctd\u003e0.50 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e905-022\u003c\/td\u003e\n\u003ctd\u003e7 x 5mm\u003c\/td\u003e\n\u003ctd\u003e1.0 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e905-028\u003c\/td\u003e\n\u003ctd\u003e8 x 6mm\u003c\/td\u003e\n\u003ctd\u003e1.5 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e905-035\u003c\/td\u003e\n\u003ctd\u003e9 x 7mm\u003c\/td\u003e\n\u003ctd\u003e2.5 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e905-040\u003c\/td\u003e\n\u003ctd\u003e10 x 8mm\u003c\/td\u003e\n\u003ctd\u003e4.0 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e905-044\u003c\/td\u003e\n\u003ctd\u003e11 x 9mm\u003c\/td\u003e\n\u003ctd\u003e5.0 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e905-045\u003c\/td\u003e\n\u003ctd\u003e12 x 10mm\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e905-046\u003c\/td\u003e\n\u003ctd\u003e14 x 10mm\u003c\/td\u003e\n\u003ctd\u003e14.0 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e905-047\u003c\/td\u003e\n\u003ctd\u003e14 x 12mm\u003c\/td\u003e\n\u003ctd\u003e20.0 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e905-048\u003c\/td\u003e\n\u003ctd\u003e16 x 12mm\u003c\/td\u003e\n\u003ctd\u003e24.0 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCalibrated gemstones may vary slightly +\/– 0.20mm.\u003c\/li\u003e\n\u003cli\u003eWhen firing in place, use the lowest temperature setting available.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"5 x 3mm (.25ct)","offer_id":47551760728278,"sku":"905-012","price":2.5,"currency_code":"USD","in_stock":true},{"title":"6 x 4mm (.50ct)","offer_id":47551760761046,"sku":"905-017","price":3.3,"currency_code":"USD","in_stock":true},{"title":"7 x 5mm (1.0ct)","offer_id":47551760793814,"sku":"905-022","price":4.0,"currency_code":"USD","in_stock":true},{"title":"8 x 6mm (1.5ct)","offer_id":47551760826582,"sku":"905-028","price":5.16,"currency_code":"USD","in_stock":true},{"title":"9 x 7mm (2.5ct)","offer_id":47551760859350,"sku":"905-035","price":6.15,"currency_code":"USD","in_stock":true},{"title":"10 x 8mm (4.0ct)","offer_id":47551760892118,"sku":"905-040","price":7.05,"currency_code":"USD","in_stock":true},{"title":"11 x 9mm (5.0ct)","offer_id":47551760924886,"sku":"905-044","price":8.5,"currency_code":"USD","in_stock":true},{"title":"12x10mm","offer_id":47551761055958,"sku":"905-045","price":10.1,"currency_code":"USD","in_stock":true},{"title":"14mm x 10mm (14.0ct)","offer_id":47551760957654,"sku":"905-046","price":15.25,"currency_code":"USD","in_stock":true},{"title":"14mm x 12mm (20.0ct)","offer_id":47551760990422,"sku":"905-047","price":15.5,"currency_code":"USD","in_stock":true},{"title":"16mm x 12mm(24.0ct)","offer_id":47551761023190,"sku":"905-048","price":16.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/emerald-faceted-cubic-zirconia-otto-frei.jpg?v=1719954667"},{"product_id":"marquise-faceted-cubic-zirconia-4x2mm-16x8mm","title":"Marquise Faceted Cubic Zirconia","description":"\u003cp\u003eCubic Zirconia is a man-made gemstone that serves as an affordable alternative to precious gemstones and is suitable for everyday wear. These marquise faceted stones deliver strong brilliance and sparkle, making them ideal for statement pieces, as a diamond substitute, or for practicing setting techniques. Colorless and synthetically produced, they offer consistent quality across a wide range of sizes. Clean with warm soapy water; use of an ultrasonic or steam cleaner is usually safe.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMarquise faceted cut with strong brilliance and sparkle\u003c\/li\u003e\n\u003cli\u003eColorless synthetic cubic zirconia\u003c\/li\u003e\n\u003cli\u003eSuitable as a diamond substitute in finished jewelry\u003c\/li\u003e\n\u003cli\u003eIdeal for practicing setting techniques\u003c\/li\u003e\n\u003cli\u003eSuitable for firing in place using lowest temperature settings\u003c\/li\u003e\n\u003cli\u003eSafe for ultrasonic and steam cleaning\u003c\/li\u003e\n\u003cli\u003eCalibrated stones may vary slightly ±0.20mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eCubic Zirconia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eMarquise Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eColorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTreatment\u003c\/th\u003e\n\u003ctd\u003eSynthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCare\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water; ultrasonic and steam cleaning usually safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCalibration Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eApprox. Carat Weight\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e907-012\u003c\/td\u003e\n\u003ctd\u003e4 x 2mm\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e907-014\u003c\/td\u003e\n\u003ctd\u003e5 x 2.5mm\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e907-016\u003c\/td\u003e\n\u003ctd\u003e6 x 3mm\u003c\/td\u003e\n\u003ctd\u003e0.25ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e907-024\u003c\/td\u003e\n\u003ctd\u003e7.5 x 3.5mm\u003c\/td\u003e\n\u003ctd\u003e0.33ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e907-026\u003c\/td\u003e\n\u003ctd\u003e8 x 4mm\u003c\/td\u003e\n\u003ctd\u003e0.50ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e907-033\u003c\/td\u003e\n\u003ctd\u003e9 x 4.5mm\u003c\/td\u003e\n\u003ctd\u003e0.75ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e907-038\u003c\/td\u003e\n\u003ctd\u003e10 x 5mm\u003c\/td\u003e\n\u003ctd\u003e1.0ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e907-042\u003c\/td\u003e\n\u003ctd\u003e11 x 5.5mm\u003c\/td\u003e\n\u003ctd\u003e1.5ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e907-046\u003c\/td\u003e\n\u003ctd\u003e12 x 6mm\u003c\/td\u003e\n\u003ctd\u003e2.0ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e907-050\u003c\/td\u003e\n\u003ctd\u003e13 x 6.5mm\u003c\/td\u003e\n\u003ctd\u003e2.5ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e907-054\u003c\/td\u003e\n\u003ctd\u003e14 x 7mm\u003c\/td\u003e\n\u003ctd\u003e3.0ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e907-058\u003c\/td\u003e\n\u003ctd\u003e15 x 7.5mm\u003c\/td\u003e\n\u003ctd\u003e4.0ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e907-060\u003c\/td\u003e\n\u003ctd\u003e16 x 8mm\u003c\/td\u003e\n\u003ctd\u003e5.0ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"4 x 2mm","offer_id":47551761547478,"sku":"907-012","price":1.5,"currency_code":"USD","in_stock":true},{"title":"5 x 2.5mm","offer_id":47551761580246,"sku":"907-014","price":1.8,"currency_code":"USD","in_stock":true},{"title":"6 x 3mm (.25ct)","offer_id":47551761613014,"sku":"907-016","price":2.5,"currency_code":"USD","in_stock":true},{"title":"7.5 x 3.5mm (.33ct)","offer_id":47551761645782,"sku":"907-024","price":2.75,"currency_code":"USD","in_stock":true},{"title":"8 x 4 (.50ct)","offer_id":47551761678550,"sku":"907-026","price":3.0,"currency_code":"USD","in_stock":true},{"title":"9 x 4.5mm (.75ct)","offer_id":47551761711318,"sku":"907-033","price":3.25,"currency_code":"USD","in_stock":true},{"title":"10 x 5mm (1.0ct)","offer_id":47551761744086,"sku":"907-038","price":4.95,"currency_code":"USD","in_stock":true},{"title":"11 x 5.5mm (1.5ct)","offer_id":47551761776854,"sku":"907-042","price":8.0,"currency_code":"USD","in_stock":true},{"title":"12 x 6mm (2.0ct)","offer_id":47551761809622,"sku":"907-046","price":8.25,"currency_code":"USD","in_stock":true},{"title":"13 x 6.5mm (2.5ct)","offer_id":47551761842390,"sku":"907-050","price":8.5,"currency_code":"USD","in_stock":true},{"title":"14 x 7mm (3.0ct)","offer_id":47551761875158,"sku":"907-054","price":9.0,"currency_code":"USD","in_stock":true},{"title":"15 x 7.5mm (4.0ct)","offer_id":47551761940694,"sku":"907-058","price":12.0,"currency_code":"USD","in_stock":true},{"title":"16 x 8mm (5.0ct)","offer_id":47551761907926,"sku":"907-060","price":16.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/marquise-faceted-cubic-zirconia-otto-frei.jpg?v=1719954667"},{"product_id":"heart-faceted-imitation-aquamarine-lab-spinel","title":"Heart Faceted Imitation Aquamarine","description":"\u003cp\u003eSimulating the light sky blue of aquamarine, these heart-shaped faceted stones are composed of lab-created blue spinel. Designed as an aquamarine simulant, they offer a cost-effective option for jewelry production and resale applications. These calibrated stones are generally safe for stone-in-place casting, though some risk of damage may occur depending on casting conditions. Clean with warm, soapy water; ultrasonic and steam cleaning are usually safe.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eCalibrated gemstone sizes may vary slightly +\/– 0.10mm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquamarine simulant\u003c\/strong\u003e with a light sky blue color characteristic of natural aquamarine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposed of lab-created blue spinel\u003c\/strong\u003e for consistent color and clarity\u003c\/li\u003e\n\u003cli\u003eHeart faceted cut adds brilliance and visual appeal\u003c\/li\u003e\n\u003cli\u003eGenerally safe for stone-in-place casting\u003c\/li\u003e\n\u003cli\u003eCompatible with ultrasonic and steam cleaning in most applications\u003c\/li\u003e\n\u003cli\u003eSuitable for resale and finished jewelry production\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eImitation Aquamarine\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eLab-created Blue Spinel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eHeart Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eLight Sky Blue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/– 0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCasting\u003c\/th\u003e\n\u003ctd\u003eGenerally safe for stone-in-place casting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCleaning\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water; ultrasonic and steam usually safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e916-315\u003c\/td\u003e\n\u003ctd\u003e5x5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e916-318\u003c\/td\u003e\n\u003ctd\u003e6x6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"5x5mm","offer_id":47551761187030,"sku":"916-315","price":2.88,"currency_code":"USD","in_stock":false},{"title":"6x6mm","offer_id":47551761219798,"sku":"916-318","price":3.55,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/heart-faceted-imitation-aquamarine-otto-frei.jpg?v=1719954664"},{"product_id":"heart-faceted-pink-tourmaline-simulant-synthetic-corundum","title":"Heart Faceted Imitation PInk Tourmaline","description":"\u003cp\u003eThis Pink Tourmaline simulant delivers the rosy hue of natural tourmaline in a durable, lab-created Corundum construction. With a Mohs hardness rating of 9, these heart-faceted stones are built for everyday wear and are safe to fire in metal clay and cast in place — making them a practical choice for setting work and stone-in-place casting applications alike.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePink Tourmaline simulant\u003c\/strong\u003e with a rose pink hue\u003c\/li\u003e\n\u003cli\u003eComposed of synthetic pink Corundum\u003c\/li\u003e\n\u003cli\u003eMohs hardness of 9 — suitable for everyday wear\u003c\/li\u003e\n\u003cli\u003eSafe to fire in metal clay\u003c\/li\u003e\n\u003cli\u003eSafe for stone-in-place casting\u003c\/li\u003e\n\u003cli\u003eHeart faceted cut\u003c\/li\u003e\n\u003cli\u003eCalibrated sizes — may vary slightly +\/–0.10mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003ePink Tourmaline Simulant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSynthetic Pink Corundum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eHeart Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMohs Hardness\u003c\/th\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/–0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCare\u003c\/th\u003e\n\u003ctd\u003eClean with warm, soapy water; avoid ultrasonic and steam cleaners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e916-A08\u003c\/td\u003e\n\u003ctd\u003e4x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e916-A15\u003c\/td\u003e\n\u003ctd\u003e5x5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e916-A18\u003c\/td\u003e\n\u003ctd\u003e6x6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCalibrated gemstone sizes may vary slightly +\/–0.10mm.\u003c\/li\u003e\n\u003cli\u003eAvoid ultrasonic and steam cleaners; clean with warm, soapy water only.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"4x4mm","offer_id":47551762202838,"sku":"916-A08","price":2.0,"currency_code":"USD","in_stock":false},{"title":"5x5mm","offer_id":47551762235606,"sku":"916-A15","price":3.0,"currency_code":"USD","in_stock":true},{"title":"6x6mm","offer_id":47551762268374,"sku":"916-A18","price":4.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/heart-faceted-imitation-pink-tourmaline-otto-frei.jpg?v=1719954664"},{"product_id":"round-faceted-cubic-zirconia-large-8-5mm-18mm","title":"Round Faceted Cubic Zirconia-Large Sizes 8.5mm to 18.0mm","description":"\u003cp\u003eCubic Zirconia is a man-made gemstone that serves as an affordable alternative to precious gemstones and is suitable for everyday wear. These large round faceted stones dazzle with strong brilliance and sparkle, making them perfect for statement pieces, as a diamond substitute, or for practicing setting techniques. Available in sizes ranging from 8.5mm to 18.0mm, these calibrated stones offer consistent sizing across the full range.\u003c\/p\u003e\u003cp\u003eClean with warm, soapy water. Use of an ultrasonic or steam cleaner is usually safe.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eColorless round faceted Cubic Zirconia\u003c\/li\u003e\n\u003cli\u003eStrong brilliance and sparkle\u003c\/li\u003e\n\u003cli\u003eSuitable for firing in place\u003c\/li\u003e\n\u003cli\u003eSafe for ultrasonic and steam cleaning\u003c\/li\u003e\n\u003cli\u003eTreatment: Synthetic\u003c\/li\u003e\n\u003cli\u003eCalibrated gemstones may vary slightly ±0.2mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eCubic Zirconia (lab-created)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eRound faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eColorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTreatment\u003c\/th\u003e\n\u003ctd\u003eSynthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Range\u003c\/th\u003e\n\u003ctd\u003e8.5mm – 18.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e901-085-2\u003c\/td\u003e\n\u003ctd\u003e8.5mm\u003c\/td\u003e\n\u003ctd\u003ePack of 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e901-090-2\u003c\/td\u003e\n\u003ctd\u003e9.0mm\u003c\/td\u003e\n\u003ctd\u003ePack of 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e901-095-2\u003c\/td\u003e\n\u003ctd\u003e9.5mm\u003c\/td\u003e\n\u003ctd\u003ePack of 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e901-100-2\u003c\/td\u003e\n\u003ctd\u003e10.0mm\u003c\/td\u003e\n\u003ctd\u003ePack of 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e901-105-2\u003c\/td\u003e\n\u003ctd\u003e10.5mm\u003c\/td\u003e\n\u003ctd\u003ePack of 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e901-115-2\u003c\/td\u003e\n\u003ctd\u003e11.5mm\u003c\/td\u003e\n\u003ctd\u003ePack of 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e901-120-2\u003c\/td\u003e\n\u003ctd\u003e12.0mm\u003c\/td\u003e\n\u003ctd\u003ePack of 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2","offer_id":43786812162262,"sku":"901-090-2","price":13.96,"currency_code":"USD","in_stock":true},{"title":"9.5mm\/Pack of 2","offer_id":43786812424406,"sku":"901-095-2","price":14.96,"currency_code":"USD","in_stock":true},{"title":"10.0mm\/Pack of 2","offer_id":43786812195030,"sku":"901-100-2","price":15.96,"currency_code":"USD","in_stock":true},{"title":"10.5mm\/Pack of 2","offer_id":43786812227798,"sku":"901-105-2","price":22.8,"currency_code":"USD","in_stock":true},{"title":"11.5mm\/Pack of 2","offer_id":43786812260566,"sku":"901-115-2","price":32.8,"currency_code":"USD","in_stock":true},{"title":"12.0mm\/Pack of 2","offer_id":43786812293334,"sku":"901-120-2","price":35.76,"currency_code":"USD","in_stock":true},{"title":"13.0mm\/Pack of 2","offer_id":43786812326102,"sku":"901-130-2","price":38.6,"currency_code":"USD","in_stock":true},{"title":"14.0mm\/Pack of 2","offer_id":43786812358870,"sku":"901-140-2","price":41.5,"currency_code":"USD","in_stock":true},{"title":"15.0mm\/Pack of 2","offer_id":43786812391638,"sku":"901-150-2","price":44.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/round-faceted-cubic-zirconia-large-sizes-8-5mm-to-18-0mm-otto-frei.jpg?v=1719954662"},{"product_id":"oval-faceted-cubic-zirconia-colorless-5x3-16x12mm","title":"Oval Faceted Cubic Zirconia","description":"\u003cp\u003eCubic zirconia is a man-made gemstone that offers an affordable alternative to precious gemstones and is suitable for everyday wear. These oval faceted stones dazzle with strong brilliance and sparkle, making them ideal for statement pieces, as a diamond substitute, or for practicing stone-setting techniques. The colorless, synthetic material delivers a bright, clean appearance across a wide range of sizes.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eColorless oval faceted cubic zirconia\u003c\/li\u003e\n\u003cli\u003eSynthetic (lab-created) gemstone\u003c\/li\u003e\n\u003cli\u003eBrilliant sparkle and strong light dispersion\u003c\/li\u003e\n\u003cli\u003eSuitable for everyday wear\u003c\/li\u003e\n\u003cli\u003eIdeal for production jewelry, sample pieces, and setting practice\u003c\/li\u003e\n\u003cli\u003eClean with warm, soapy water; ultrasonic and steam cleaners are usually safe\u003c\/li\u003e\n\u003cli\u003eCalibrated gemstones may vary slightly +\/– 0.20mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eOval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eFaceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eColorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTreatment\u003c\/th\u003e\n\u003ctd\u003eSynthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/– 0.20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eApprox. Carat Weight\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e908-012\u003c\/td\u003e\n\u003ctd\u003e5 x 3mm\u003c\/td\u003e\n\u003ctd\u003e0.25 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e908-017\u003c\/td\u003e\n\u003ctd\u003e6 x 4mm\u003c\/td\u003e\n\u003ctd\u003e0.50 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e908-022\u003c\/td\u003e\n\u003ctd\u003e7 x 5mm\u003c\/td\u003e\n\u003ctd\u003e1.0 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e908-028\u003c\/td\u003e\n\u003ctd\u003e8 x 6mm\u003c\/td\u003e\n\u003ctd\u003e1.5 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e908-035\u003c\/td\u003e\n\u003ctd\u003e9 x 7mm\u003c\/td\u003e\n\u003ctd\u003e2.0 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e908-040\u003c\/td\u003e\n\u003ctd\u003e10 x 8mm\u003c\/td\u003e\n\u003ctd\u003e3.0 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e908-044\u003c\/td\u003e\n\u003ctd\u003e11 x 9mm\u003c\/td\u003e\n\u003ctd\u003e4.0 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e908-048\u003c\/td\u003e\n\u003ctd\u003e12 x 10mm\u003c\/td\u003e\n\u003ctd\u003e5.0 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e908-050\u003c\/td\u003e\n\u003ctd\u003e14 x 12mm\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e908-054\u003c\/td\u003e\n\u003ctd\u003e16 x 12mm\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"5 x 3mm (.25ct)","offer_id":47551763480790,"sku":"908-012","price":2.25,"currency_code":"USD","in_stock":true},{"title":"6 x 4mm (.50ct)","offer_id":47551763513558,"sku":"908-017","price":2.45,"currency_code":"USD","in_stock":true},{"title":"7 x 5mm (1.0ct)","offer_id":47551763546326,"sku":"908-022","price":3.5,"currency_code":"USD","in_stock":true},{"title":"8 x 6mm (1.5ct)","offer_id":47551763579094,"sku":"908-028","price":4.5,"currency_code":"USD","in_stock":true},{"title":"9 x 7mm (2.0ct)","offer_id":47551763611862,"sku":"908-035","price":5.5,"currency_code":"USD","in_stock":true},{"title":"10 x 8mm (3.0ct)","offer_id":47551763644630,"sku":"908-040","price":6.0,"currency_code":"USD","in_stock":true},{"title":"11 x 9mm (4.0ct)","offer_id":47551763677398,"sku":"908-044","price":8.25,"currency_code":"USD","in_stock":true},{"title":"12 x 10mm (5.0ct)","offer_id":47551763710166,"sku":"908-048","price":11.5,"currency_code":"USD","in_stock":true},{"title":"14 x 12mm","offer_id":47551763742934,"sku":"908-050","price":13.5,"currency_code":"USD","in_stock":true},{"title":"16 x 12mm","offer_id":47551763775702,"sku":"908-054","price":23.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/oval-faceted-cubic-zirconia-otto-frei.jpg?v=1719954659"},{"product_id":"oval-faceted-imitation-aquamarine-lab-created-blue-spinel-5x3-12x10mm","title":"Oval Faceted Imitation Aquamarine","description":"\u003cp\u003eSimulating the light sky blue of aquamarine, these oval faceted stones are composed of lab-created blue spinel. Crafted to calibrated dimensions, they offer a consistent, affordable alternative to natural aquamarine for use in finished jewelry and custom metalwork. Calibrated gemstone sizes may vary slightly ±0.10mm.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquamarine simulant\u003c\/strong\u003e — reproduces the soft, light sky blue color of natural aquamarine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposed of synthetic spinel\u003c\/strong\u003e — lab-created material with consistent color and clarity\u003c\/li\u003e\n\u003cli\u003eOval faceted cut for brilliant light return and classic appeal\u003c\/li\u003e\n\u003cli\u003eGenerally safe for stone-in-place casting, though some risk of damage may occur\u003c\/li\u003e\n\u003cli\u003eCleaning with warm, soapy water is recommended; ultrasonic and steam cleaning are usually safe\u003c\/li\u003e\n\u003cli\u003eCalibrated sizing for reliable fit in standard settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eAquamarine Simulant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eLab-Created Blue Spinel (Synthetic Spinel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eOval Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eLight Sky Blue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCasting Compatibility\u003c\/th\u003e\n\u003ctd\u003eGenerally safe for stone-in-place casting (some risk of damage may occur)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCleaning\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water; ultrasonic and steam cleaning usually safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e918-312\u003c\/td\u003e\n\u003ctd\u003e5x3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e918-317\u003c\/td\u003e\n\u003ctd\u003e6x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e918-322\u003c\/td\u003e\n\u003ctd\u003e7x5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e918-328\u003c\/td\u003e\n\u003ctd\u003e8x6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e918-335\u003c\/td\u003e\n\u003ctd\u003e9x7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e918-340\u003c\/td\u003e\n\u003ctd\u003e10x8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e918-344\u003c\/td\u003e\n\u003ctd\u003e11x9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e918-348\u003c\/td\u003e\n\u003ctd\u003e12x10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"5x3mm","offer_id":47551764496598,"sku":"918-312","price":2.4,"currency_code":"USD","in_stock":true},{"title":"6x4mm","offer_id":47551764529366,"sku":"918-317","price":3.3,"currency_code":"USD","in_stock":true},{"title":"7x5mm","offer_id":47551764562134,"sku":"918-322","price":3.75,"currency_code":"USD","in_stock":true},{"title":"8x6mm","offer_id":47551764594902,"sku":"918-328","price":4.2,"currency_code":"USD","in_stock":true},{"title":"9x7mm","offer_id":47551764627670,"sku":"918-335","price":5.1,"currency_code":"USD","in_stock":true},{"title":"10x8mm","offer_id":47551764660438,"sku":"918-340","price":6.93,"currency_code":"USD","in_stock":true},{"title":"11x9mm","offer_id":47551764693206,"sku":"918-344","price":8.2,"currency_code":"USD","in_stock":true},{"title":"12x10mm","offer_id":47551764725974,"sku":"918-348","price":9.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/oval-faceted-imitation-aquamarine-otto-frei.jpg?v=1719954657"},{"product_id":"pear-faceted-imitation-sapphire-lab-created-blue-spinel-6x4-10x7mm","title":"Pear Faceted Imitation Sapphire","description":"\u003cp\u003eMimicking the royal blue color of natural sapphire, these pear faceted imitation sapphires are composed of lab-created blue spinel. Offered in a range of calibrated sizes, they are well suited for use in finished jewelry settings and are generally safe for stone-in-place casting. Clean with warm, soapy water; ultrasonic and steam cleaning are usually safe. Calibrated gemstone sizes may vary slightly ±0.10mm.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSapphire simulant\u003c\/strong\u003e — mimics the rich royal blue color of natural sapphire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposed of synthetic spinel\u003c\/strong\u003e — lab-created blue spinel construction\u003c\/li\u003e\n\u003cli\u003ePear faceted cut for classic brilliance in finished settings\u003c\/li\u003e\n\u003cli\u003eGenerally safe for stone-in-place casting, though some risk of damage may occur\u003c\/li\u003e\n\u003cli\u003eCompatible with ultrasonic and steam cleaning in most applications\u003c\/li\u003e\n\u003cli\u003eCalibrated sizing for consistent fit in standard settings (tolerance ±0.10mm)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eImitation Sapphire (Sapphire Simulant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eLab-Created Blue Spinel (Synthetic Spinel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003ePear Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eRoyal Blue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCasting\u003c\/th\u003e\n\u003ctd\u003eGenerally safe for stone-in-place casting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCleaning\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water; ultrasonic and steam usually safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e919-917\u003c\/td\u003e\n\u003ctd\u003e6x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e919-927\u003c\/td\u003e\n\u003ctd\u003e8x5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e919-934\u003c\/td\u003e\n\u003ctd\u003e9x6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e919-939\u003c\/td\u003e\n\u003ctd\u003e10x7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"6x4mm","offer_id":47551764889814,"sku":"919-917","price":2.5,"currency_code":"USD","in_stock":true},{"title":"8x5mm","offer_id":47551764922582,"sku":"919-927","price":3.0,"currency_code":"USD","in_stock":true},{"title":"9x6mm","offer_id":47551764955350,"sku":"919-934","price":5.5,"currency_code":"USD","in_stock":true},{"title":"10x7mm","offer_id":47551764988118,"sku":"919-939","price":6.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/pear-faceted-imitation-sapphire-otto-frei.jpg?v=1719954657"},{"product_id":"triangular-faceted-cubic-zirconia-sharp-corners-3-11mm","title":"Triangular Faceted Cubic Zirconia with Sharp Corners","description":"\u003cp\u003eTriangular Faceted Cubic Zirconia with Sharp Corners offers the dazzling brilliance and sparkle of a precision-cut gemstone at a fraction of the cost of natural stones. These man-made stones are an affordable alternative to precious gemstones, making them ideal for statement jewelry pieces, diamond substitutes, and practicing setting techniques. Their sharp-cornered triangular silhouette delivers a bold, geometric look with strong light return and clarity.\u003c\/p\u003e\n\u003cp\u003eSuitable for firing in place, these stones are a practical choice for jewelers working with metal clay or torch-fired settings. Clean with warm, soapy water; ultrasonic and steam cleaning are generally safe.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFaceted triangular cut with sharp corners for bold geometric presence\u003c\/li\u003e\n\u003cli\u003eStrong brilliance and sparkle with excellent light return\u003c\/li\u003e\n\u003cli\u003eColorless, lab-created cubic zirconia\u003c\/li\u003e\n\u003cli\u003eSynthetic treatment — consistent quality and clarity\u003c\/li\u003e\n\u003cli\u003eSuitable for firing in place\u003c\/li\u003e\n\u003cli\u003eCompatible with ultrasonic and steam cleaning\u003c\/li\u003e\n\u003cli\u003eAffordable alternative to precious or natural gemstones\u003c\/li\u003e\n\u003cli\u003eIdeal for stone setting practice, production jewelry, and retail resale\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eCubic Zirconia (Lab-Created)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eTriangular Faceted with Sharp Corners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eColorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTreatment\u003c\/th\u003e\n\u003ctd\u003eSynthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCalibration Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/– 0.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFire in Place\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCleaning\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water; ultrasonic and steam generally safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eApprox. Carat Weight\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e901-003\u003c\/td\u003e\n\u003ctd\u003e3mm\u003c\/td\u003e\n\u003ctd\u003e0.10 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e901-004\u003c\/td\u003e\n\u003ctd\u003e4mm\u003c\/td\u003e\n\u003ctd\u003e0.25 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e901-005\u003c\/td\u003e\n\u003ctd\u003e5mm\u003c\/td\u003e\n\u003ctd\u003e0.50 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e901-006\u003c\/td\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003ctd\u003e0.80 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e901-007\u003c\/td\u003e\n\u003ctd\u003e7mm\u003c\/td\u003e\n\u003ctd\u003e1.25 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e901-008\u003c\/td\u003e\n\u003ctd\u003e8mm\u003c\/td\u003e\n\u003ctd\u003e2.0 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e901-009\u003c\/td\u003e\n\u003ctd\u003e9mm\u003c\/td\u003e\n\u003ctd\u003e3.25 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e901-010\u003c\/td\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003ctd\u003e3.5 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e901-011\u003c\/td\u003e\n\u003ctd\u003e11mm\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"3mm (.10ct)","offer_id":47551767773398,"sku":"901-003","price":3.57,"currency_code":"USD","in_stock":true},{"title":"4mm (.25ct)","offer_id":47551767806166,"sku":"901-004","price":3.65,"currency_code":"USD","in_stock":false},{"title":"5mm (.50ct)","offer_id":47551767838934,"sku":"901-005","price":4.0,"currency_code":"USD","in_stock":true},{"title":"6mm (.80ct)","offer_id":47551767871702,"sku":"901-006","price":4.5,"currency_code":"USD","in_stock":true},{"title":"7mm (1.25ct)","offer_id":47551767904470,"sku":"901-007","price":5.2,"currency_code":"USD","in_stock":true},{"title":"8mm (2.0ct)","offer_id":47551767937238,"sku":"901-008","price":6.0,"currency_code":"USD","in_stock":true},{"title":"9mm (3.25ct)","offer_id":47551767970006,"sku":"901-009","price":10.5,"currency_code":"USD","in_stock":true},{"title":"10mm (3.5ct)","offer_id":47551768002774,"sku":"901-010","price":13.5,"currency_code":"USD","in_stock":true},{"title":"11mm","offer_id":47551768035542,"sku":"901-011","price":13.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/triangular-faceted-cubic-zirconia-with-sharp-corners-otto-frei.jpg?v=1719954650"},{"product_id":"straight-step-cut-baguette-cz-2x1mm-6x3mm","title":"Straight Baguette Faceted Cubic Zirconia","description":"\u003cp\u003eStraight Step-Cut Baguette Cubic Zirconia stones offer an affordable, brilliant alternative to precious gemstones, making them ideal for statement pieces, diamond substitutes, and practicing setting techniques. These man-made stones are machine cut for consistent faceting and deliver strong brilliance and sparkle in the classic elongated baguette silhouette. Suitable for everyday wear and safe for firing in place, they integrate seamlessly into a wide range of fine and fashion jewelry applications.\u003c\/p\u003e\u003cp\u003eClean with warm, soapy water. Use of an ultrasonic or steam cleaner is usually safe. \u003cem\u003eCalibrated gemstones may vary slightly ±0.2mm.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eColorless cubic zirconia — affordable alternative to precious gemstones\u003c\/li\u003e\n\u003cli\u003eStraight step-cut baguette shape with faceted profile\u003c\/li\u003e\n\u003cli\u003eMachine cut for consistent dimensions and brilliance\u003c\/li\u003e\n\u003cli\u003eSynthetic (lab-created) treatment\u003c\/li\u003e\n\u003cli\u003eSuitable for firing in place\u003c\/li\u003e\n\u003cli\u003eAppropriate for everyday wear\u003c\/li\u003e\n\u003cli\u003eSafe for ultrasonic and steam cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eCubic Zirconia (CZ)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eStraight Step-Cut Baguette\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eColorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTreatment\u003c\/th\u003e\n\u003ctd\u003eSynthetic (Lab-Created)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut Method\u003c\/th\u003e\n\u003ctd\u003eMachine Cut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFire in Place\u003c\/th\u003e\n\u003ctd\u003eSuitable for firing in place\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCalibration Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize (mm)\u003c\/th\u003e\n\u003cth\u003eApprox. Carat Weight\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e902-001\u003c\/td\u003e\n\u003ctd\u003e2 x 1mm\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e902-002\u003c\/td\u003e\n\u003ctd\u003e2.5 x 1.5mm\u003c\/td\u003e\n\u003ctd\u003e0.02 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e902-003\u003c\/td\u003e\n\u003ctd\u003e3 x 1.5mm\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e902-004\u003c\/td\u003e\n\u003ctd\u003e3 x 2mm\u003c\/td\u003e\n\u003ctd\u003e0.03 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e902-005\u003c\/td\u003e\n\u003ctd\u003e3.5 x 2mm\u003c\/td\u003e\n\u003ctd\u003e0.05 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e902-007\u003c\/td\u003e\n\u003ctd\u003e4 x 2mm\u003c\/td\u003e\n\u003ctd\u003e0.06 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e902-008\u003c\/td\u003e\n\u003ctd\u003e4.5 x 2mm\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e902-010\u003c\/td\u003e\n\u003ctd\u003e5 x 2mm\u003c\/td\u003e\n\u003ctd\u003e0.10 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e902-011\u003c\/td\u003e\n\u003ctd\u003e5 x 2.5mm\u003c\/td\u003e\n\u003ctd\u003e0.12 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e902-012\u003c\/td\u003e\n\u003ctd\u003e5.5 x 2.5mm\u003c\/td\u003e\n\u003ctd\u003e0.15 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e902-016\u003c\/td\u003e\n\u003ctd\u003e6 x 3mm\u003c\/td\u003e\n\u003ctd\u003e0.25 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"2 x 1mm","offer_id":47551768166614,"sku":"902-001","price":1.05,"currency_code":"USD","in_stock":true},{"title":"2.5 x 1.5mm (.02ct)","offer_id":47551768199382,"sku":"902-002","price":1.15,"currency_code":"USD","in_stock":true},{"title":"3 x 1.5mm","offer_id":47551768232150,"sku":"902-003","price":1.8,"currency_code":"USD","in_stock":true},{"title":"3 x 2mm  (.03ct)","offer_id":47551768494294,"sku":"902-004","price":2.0,"currency_code":"USD","in_stock":true},{"title":"3.5 x 2mm (.05ct)","offer_id":47551768264918,"sku":"902-005","price":2.2,"currency_code":"USD","in_stock":true},{"title":"4 x 2mm (.06ct)","offer_id":47551768297686,"sku":"902-007","price":2.4,"currency_code":"USD","in_stock":true},{"title":"4.5 x 2mm","offer_id":47551768330454,"sku":"902-008","price":2.5,"currency_code":"USD","in_stock":true},{"title":"5 x 2mm (.10ct)","offer_id":47551768363222,"sku":"902-010","price":2.7,"currency_code":"USD","in_stock":true},{"title":"5 x 2.5mm (.12ct)","offer_id":47551768395990,"sku":"902-011","price":2.8,"currency_code":"USD","in_stock":true},{"title":"5.5 x 2.5mm (.15ct)","offer_id":47551768428758,"sku":"902-012","price":3.0,"currency_code":"USD","in_stock":true},{"title":"6 x 3mm (.25ct)","offer_id":47551768461526,"sku":"902-016","price":3.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/straight-baguette-faceted-cubic-zirconia-otto-frei.jpg?v=1719954650"},{"product_id":"square-faceted-cubic-zirconia-1-75-10mm","title":"Square Faceted Cubic Zirconia","description":"\u003cp\u003eCubic Zirconia is a man-made gemstone that is an affordable alternative to precious gemstones and suitable for everyday wear. Perfect for any statement piece, as a diamond substitute, or for practicing setting techniques, this square faceted stone dazzles with its strong brilliance and sparkle. Available in a wide range of calibrated sizes, these colorless CZ stones are well-suited for fine jewelry production, prototype work, and setting practice alike.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eColorless square faceted cubic zirconia\u003c\/li\u003e\n\u003cli\u003eExcellent brilliance and sparkle\u003c\/li\u003e\n\u003cli\u003eAffordable alternative to precious gemstones\u003c\/li\u003e\n\u003cli\u003eSuitable for everyday wear\u003c\/li\u003e\n\u003cli\u003eIdeal as a diamond substitute or for practicing setting techniques\u003c\/li\u003e\n\u003cli\u003eSuitable for firing in place\u003c\/li\u003e\n\u003cli\u003eTreatment: Synthetic\u003c\/li\u003e\n\u003cli\u003eClean with warm, soapy water; use of ultrasonic and steam cleaners is usually safe\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eSquare Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCubic Zirconia (Lab Created)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eColorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTreatment\u003c\/th\u003e\n\u003ctd\u003eSynthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCalibration Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/– 0.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFire in Place\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eApprox. Carat Weight\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e903-00175\u003c\/td\u003e\n\u003ctd\u003e1.75mm\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e903-002\u003c\/td\u003e\n\u003ctd\u003e2mm\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e903-0025\u003c\/td\u003e\n\u003ctd\u003e2.5mm\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e903-003\u003c\/td\u003e\n\u003ctd\u003e3mm\u003c\/td\u003e\n\u003ctd\u003e.10 ct.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e903-004\u003c\/td\u003e\n\u003ctd\u003e4mm\u003c\/td\u003e\n\u003ctd\u003e.25 ct.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e903-045\u003c\/td\u003e\n\u003ctd\u003e4.5mm\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e903-005\u003c\/td\u003e\n\u003ctd\u003e5mm\u003c\/td\u003e\n\u003ctd\u003e.50 ct.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e903-0055\u003c\/td\u003e\n\u003ctd\u003e5.5mm\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e903-006\u003c\/td\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003ctd\u003e.80 ct.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e903-007\u003c\/td\u003e\n\u003ctd\u003e7mm\u003c\/td\u003e\n\u003ctd\u003e1.25 ct.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e903-008\u003c\/td\u003e\n\u003ctd\u003e8mm\u003c\/td\u003e\n\u003ctd\u003e2.0 ct.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e903-009\u003c\/td\u003e\n\u003ctd\u003e9mm\u003c\/td\u003e\n\u003ctd\u003e3.25 ct.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e903-010\u003c\/td\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003ctd\u003e3.5 ct.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eCalibrated gemstones may vary slightly +\/– 0.2mm. Clean with warm, soapy water. Use of ultrasonic and steam cleaners is usually safe.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"1.75mm","offer_id":47551768920278,"sku":"903-00175","price":1.5,"currency_code":"USD","in_stock":true},{"title":"2mm","offer_id":47551769051350,"sku":"903-002","price":1.6,"currency_code":"USD","in_stock":true},{"title":"2.5mm","offer_id":47551768953046,"sku":"903-0025","price":1.65,"currency_code":"USD","in_stock":true},{"title":"3mm (.10ct.)","offer_id":47551768690902,"sku":"903-003","price":1.8,"currency_code":"USD","in_stock":false},{"title":"4mm (.25ct.)","offer_id":47551768723670,"sku":"903-004","price":3.0,"currency_code":"USD","in_stock":false},{"title":"4.5mm","offer_id":47551769084118,"sku":"903-045","price":2.75,"currency_code":"USD","in_stock":false},{"title":"5mm (.50ct.)","offer_id":47551768756438,"sku":"903-005","price":4.5,"currency_code":"USD","in_stock":true},{"title":"5.5mm","offer_id":47551768985814,"sku":"903-0055","price":4.75,"currency_code":"USD","in_stock":true},{"title":"6mm (.80ct.)","offer_id":47551768789206,"sku":"903-006","price":9.0,"currency_code":"USD","in_stock":true},{"title":"7mm (1.25ct.)","offer_id":47551768821974,"sku":"903-007","price":6.0,"currency_code":"USD","in_stock":true},{"title":"8mm (2.0ct.)","offer_id":47551768854742,"sku":"903-008","price":6.3,"currency_code":"USD","in_stock":true},{"title":"9mm (3.25ct.)","offer_id":47551768887510,"sku":"903-009","price":6.75,"currency_code":"USD","in_stock":true},{"title":"10mm (3.5ct.)","offer_id":47551769018582,"sku":"903-010","price":7.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/square-faceted-cubic-zirconia-otto-frei.jpg?v=1719954650"},{"product_id":"quadrillion-faceted-cubic-zirconia-3-10mm","title":"Quadrillion Faceted Cubic Zirconia","description":"\u003cp\u003eCubic Zirconia is a man-made gemstone that offers an affordable alternative to precious gemstones and is suitable for everyday wear. This Quadrillion-cut CZ dazzles with strong brilliance and sparkle, making it perfect for statement pieces, as a diamond substitute, or for practicing stone-setting techniques. The colorless, synthetic material delivers a clean, bright appearance that complements a wide range of metal settings. Clean with warm, soapy water; ultrasonic or steam cleaners are usually safe.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQuadrillion faceted cut delivers exceptional brilliance and sparkle\u003c\/li\u003e\n\u003cli\u003eColorless synthetic cubic zirconia — an affordable alternative to precious gemstones\u003c\/li\u003e\n\u003cli\u003eSuitable for firing in place, making it compatible with metal clay and fabrication workflows\u003c\/li\u003e\n\u003cli\u003eIdeal for finished jewelry, diamond substitutes, and setting practice\u003c\/li\u003e\n\u003cli\u003eCalibrated sizing for consistent results across production work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eCubic Zirconia (CZ)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eQuadrillion Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eColorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTreatment\u003c\/th\u003e\n\u003ctd\u003eSynthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFire in Place\u003c\/th\u003e\n\u003ctd\u003eSuitable for firing in place\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003eCalibrated; may vary slightly ±0.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCare\u003c\/th\u003e\n\u003ctd\u003eWarm, soapy water; ultrasonic and steam cleaners usually safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eApprox. Carat Weight\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e903-023\u003c\/td\u003e\n\u003ctd\u003e3mm\u003c\/td\u003e\n\u003ctd\u003e0.10 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e903-024\u003c\/td\u003e\n\u003ctd\u003e4mm\u003c\/td\u003e\n\u003ctd\u003e0.25 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e903-025\u003c\/td\u003e\n\u003ctd\u003e5mm\u003c\/td\u003e\n\u003ctd\u003e0.50 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e903-029\u003c\/td\u003e\n\u003ctd\u003e9mm\u003c\/td\u003e\n\u003ctd\u003e3.25 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e903-030\u003c\/td\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003ctd\u003e3.50 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"3mm (.10ct)","offer_id":47551768527062,"sku":"903-023","price":2.5,"currency_code":"USD","in_stock":true},{"title":"4mm (.25ct)","offer_id":47551768559830,"sku":"903-024","price":2.76,"currency_code":"USD","in_stock":true},{"title":"5mm (.50ct)","offer_id":47551768592598,"sku":"903-025","price":3.66,"currency_code":"USD","in_stock":true},{"title":"9mm (3.25ct)","offer_id":47551768625366,"sku":"903-029","price":13.98,"currency_code":"USD","in_stock":true},{"title":"10mm (3.5ct)","offer_id":47551768658134,"sku":"903-030","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/quadrillion-faceted-cubic-zirconia-otto-frei.jpg?v=1719954650"},{"product_id":"trillion-faceted-cubic-zirconia-3mm-10mm","title":"Trillion Faceted Cubic Zirconia","description":"\u003cp\u003eCubic Zirconia is a man-made gemstone that serves as an affordable alternative to precious gemstones and is suitable for everyday wear. Whether you're creating a bold statement piece, seeking a diamond substitute, or practicing setting techniques, these trillion-faceted stones deliver strong brilliance and eye-catching sparkle in a classic triangular silhouette.\u003c\/p\u003e\u003cp\u003eAvailable in a range of sizes from 3mm to 10mm, these colorless CZ stones are calibrated for consistent sizing and are suitable for firing in place, making them a versatile choice for metalsmiths and jewelers at all levels.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eTrillion faceted cut for maximum brilliance and visual impact\u003c\/li\u003e\n\u003cli\u003eColorless, synthetic cubic zirconia — an affordable diamond alternative\u003c\/li\u003e\n\u003cli\u003eSuitable for everyday wear and a wide range of jewelry applications\u003c\/li\u003e\n\u003cli\u003eSuitable for firing in place\u003c\/li\u003e\n\u003cli\u003eCalibrated sizing for consistent, repeatable results in stone setting\u003c\/li\u003e\n\u003cli\u003eIdeal for practicing setting techniques or use in finished production pieces\u003c\/li\u003e\n\u003cli\u003eClean with warm, soapy water; ultrasonic and steam cleaning is usually safe\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eCubic Zirconia (CZ)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eTrillion Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eColorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTreatment\u003c\/th\u003e\n\u003ctd\u003eSynthetic (Lab Created)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/– 0.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFire in Place\u003c\/th\u003e\n\u003ctd\u003eSuitable for firing in place\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize (mm)\u003c\/th\u003e\n\u003cth\u003eApproximate Carat Weight\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e904-003\u003c\/td\u003e\n\u003ctd\u003e3mm\u003c\/td\u003e\n\u003ctd\u003e.10ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e904-004\u003c\/td\u003e\n\u003ctd\u003e4mm\u003c\/td\u003e\n\u003ctd\u003e.25ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e904-005\u003c\/td\u003e\n\u003ctd\u003e5mm\u003c\/td\u003e\n\u003ctd\u003e.50ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e904-006\u003c\/td\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003ctd\u003e.80ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e904-007\u003c\/td\u003e\n\u003ctd\u003e7mm\u003c\/td\u003e\n\u003ctd\u003e1.25ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e904-008\u003c\/td\u003e\n\u003ctd\u003e8mm\u003c\/td\u003e\n\u003ctd\u003e2.0ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e904-009\u003c\/td\u003e\n\u003ctd\u003e9mm\u003c\/td\u003e\n\u003ctd\u003e3.25ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e904-010\u003c\/td\u003e\n\u003ctd\u003e10mm\u003c\/td\u003e\n\u003ctd\u003e3.5ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"3mm (.10ct)","offer_id":47551769706710,"sku":"904-003","price":2.2,"currency_code":"USD","in_stock":true},{"title":"4mm (.25ct)","offer_id":47551769739478,"sku":"904-004","price":2.5,"currency_code":"USD","in_stock":true},{"title":"5mm (.50ct)","offer_id":47551769772246,"sku":"904-005","price":2.9,"currency_code":"USD","in_stock":true},{"title":"6mm (.80ct)","offer_id":47551769805014,"sku":"904-006","price":4.35,"currency_code":"USD","in_stock":true},{"title":"7mm (1.25ct)","offer_id":47551769837782,"sku":"904-007","price":3.63,"currency_code":"USD","in_stock":true},{"title":"8mm (2.0ct)","offer_id":47551769870550,"sku":"904-008","price":5.01,"currency_code":"USD","in_stock":true},{"title":"9mm (3.25ct)","offer_id":47551769903318,"sku":"904-009","price":6.3,"currency_code":"USD","in_stock":true},{"title":"10mm (3.5ct)","offer_id":47551769936086,"sku":"904-010","price":8.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/trillion-faceted-cubic-zirconia-otto-frei.jpg?v=1719954648"},{"product_id":"heart-faceted-cubic-zirconia-4-10mm","title":"Heart Faceted Cubic Zirconia","description":"\u003cp\u003eCubic Zirconia is a man-made gemstone that offers an affordable alternative to precious gemstones and is suitable for everyday wear. Cut in a classic heart shape, these faceted stones dazzle with strong brilliance and sparkle — perfect for statement pieces, as a diamond substitute, or for practicing setting techniques. Available in a range of calibrated sizes with equivalent carat weights noted for easy reference.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHeart faceted cut with strong brilliance and sparkle\u003c\/li\u003e\n\u003cli\u003eColorless — ideal as a diamond substitute\u003c\/li\u003e\n\u003cli\u003eTreatment: Synthetic (lab-created)\u003c\/li\u003e\n\u003cli\u003eSuitable for firing in place\u003c\/li\u003e\n\u003cli\u003eClean with warm, soapy water; ultrasonic and steam cleaners are usually safe\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eCalibrated gemstones may vary slightly ±0.2mm\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eCubic Zirconia (Lab-Created)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eHeart Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eColorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTreatment\u003c\/th\u003e\n\u003ctd\u003eSynthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCalibration Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.2mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eApprox. Carat Weight\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e906-008\u003c\/td\u003e\n\u003ctd\u003e4 x 4mm\u003c\/td\u003e\n\u003ctd\u003e0.20 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e906-015\u003c\/td\u003e\n\u003ctd\u003e5 x 5mm\u003c\/td\u003e\n\u003ctd\u003e0.40 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e906-018\u003c\/td\u003e\n\u003ctd\u003e6 x 6mm\u003c\/td\u003e\n\u003ctd\u003e0.60 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e906-023\u003c\/td\u003e\n\u003ctd\u003e7 x 7mm\u003c\/td\u003e\n\u003ctd\u003e1.0 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e906-030\u003c\/td\u003e\n\u003ctd\u003e8 x 8mm\u003c\/td\u003e\n\u003ctd\u003e1.5 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e906-033\u003c\/td\u003e\n\u003ctd\u003e9 x 9mm\u003c\/td\u003e\n\u003ctd\u003e2.5 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e906-036\u003c\/td\u003e\n\u003ctd\u003e10 x 10mm\u003c\/td\u003e\n\u003ctd\u003e4.0 ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"4 x 4mm (.20ct)","offer_id":47551770001622,"sku":"906-008","price":2.0,"currency_code":"USD","in_stock":true},{"title":"5 x 5mm (.40ct)","offer_id":47551770034390,"sku":"906-015","price":2.5,"currency_code":"USD","in_stock":true},{"title":"6 x 6mm (.60ct)","offer_id":47551770067158,"sku":"906-018","price":3.3,"currency_code":"USD","in_stock":true},{"title":"7 x 7mm (1.0ct)","offer_id":47551770099926,"sku":"906-023","price":3.5,"currency_code":"USD","in_stock":true},{"title":"8 x 8mm (1.5ct)","offer_id":47551770132694,"sku":"906-030","price":4.2,"currency_code":"USD","in_stock":true},{"title":"9 x 9mm (2.5ct)","offer_id":47551770165462,"sku":"906-033","price":5.13,"currency_code":"USD","in_stock":true},{"title":"10 x 10mm (4.0ct)","offer_id":47551770198230,"sku":"906-036","price":6.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/heart-faceted-cubic-zirconia-otto-frei.jpg?v=1719954648"},{"product_id":"pear-faceted-cubic-zirconia-5x3mm-18x13mm","title":"Pear Faceted Cubic Zirconia","description":"\u003cp\u003eCubic zirconia is a man-made gemstone that offers an affordable alternative to precious gemstones while delivering impressive brilliance and sparkle suitable for everyday wear. These pear-faceted cubic zirconia stones are a versatile choice for creating statement jewelry pieces, serving as a diamond substitute, or practicing stone-setting techniques in a professional or educational setting. Available in a range of calibrated sizes, each stone is colorless and synthetically produced for consistent optical quality.\u003c\/p\u003e\u003cp\u003eClean with warm, soapy water. Use of an ultrasonic or steam cleaner is usually safe.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eColorless, synthetically produced cubic zirconia\u003c\/li\u003e\n\u003cli\u003ePear faceted cut for strong brilliance and sparkle\u003c\/li\u003e\n\u003cli\u003eAffordable alternative to precious gemstones\u003c\/li\u003e\n\u003cli\u003eSuitable for everyday wear\u003c\/li\u003e\n\u003cli\u003eIdeal as a diamond substitute or for practicing setting techniques\u003c\/li\u003e\n\u003cli\u003eSuitable for firing in place\u003c\/li\u003e\n\u003cli\u003eCalibrated gemstones may vary slightly ±0.20mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eCubic Zirconia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003ePear Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eColorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTreatment\u003c\/th\u003e\n\u003ctd\u003eSynthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFire-in-Place\u003c\/th\u003e\n\u003ctd\u003eSuitable for firing in place\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eApprox. Carat Weight\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e909-012\u003c\/td\u003e\n\u003ctd\u003e5 x 3mm\u003c\/td\u003e\n\u003ctd\u003e0.25ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e909-017\u003c\/td\u003e\n\u003ctd\u003e6 x 4mm\u003c\/td\u003e\n\u003ctd\u003e0.50ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e909-022\u003c\/td\u003e\n\u003ctd\u003e7 x 5mm\u003c\/td\u003e\n\u003ctd\u003e0.75ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e909-027\u003c\/td\u003e\n\u003ctd\u003e8 x 5mm\u003c\/td\u003e\n\u003ctd\u003e1.0ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e909-034\u003c\/td\u003e\n\u003ctd\u003e9 x 6mm\u003c\/td\u003e\n\u003ctd\u003e1.5ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e909-039\u003c\/td\u003e\n\u003ctd\u003e10 x 7mm\u003c\/td\u003e\n\u003ctd\u003e2.0ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e909-047\u003c\/td\u003e\n\u003ctd\u003e12 x 8mm\u003c\/td\u003e\n\u003ctd\u003e3.0ct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e909-058\u003c\/td\u003e\n\u003ctd\u003e15 x 10mm\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e909-062\u003c\/td\u003e\n\u003ctd\u003e18 x 13mm\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"5 x 3mm (.25ct)","offer_id":47551770263766,"sku":"909-012","price":1.95,"currency_code":"USD","in_stock":false},{"title":"6 x 4mm (.50ct)","offer_id":47551770296534,"sku":"909-017","price":4.8,"currency_code":"USD","in_stock":true},{"title":"7 x 5mm (.75ct)","offer_id":47551770329302,"sku":"909-022","price":4.5,"currency_code":"USD","in_stock":true},{"title":"8 x 5mm (1.0ct)","offer_id":47551770362070,"sku":"909-027","price":4.8,"currency_code":"USD","in_stock":true},{"title":"9 x 6mm (1.5ct)","offer_id":47551770394838,"sku":"909-034","price":5.25,"currency_code":"USD","in_stock":true},{"title":"10 x 7mm (2.0ct)","offer_id":47551770427606,"sku":"909-039","price":6.5,"currency_code":"USD","in_stock":true},{"title":"12 x 8mm (3.0ct)","offer_id":47551770460374,"sku":"909-047","price":8.5,"currency_code":"USD","in_stock":true},{"title":"15 x 10mm","offer_id":47551770493142,"sku":"909-058","price":11.25,"currency_code":"USD","in_stock":true},{"title":"18x13mm","offer_id":47551770525910,"sku":"909-062","price":18.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/pear-faceted-cubic-zirconia-otto-frei.jpg?v=1719954648"},{"product_id":"round-faceted-imitation-red-garnet-simulant-1mm-8mm","title":"Round Faceted Imitation Red Garnet","description":"\u003cp\u003eThis round faceted garnet simulant is composed of synthetic red corundum, delivering a deep, vivid red color that closely replicates the look of natural garnet. With a hardness rating of 9 on the Mohs scale, these stones offer exceptional durability suitable for everyday wear. Garnet is the traditional birthstone for January, making these simulants an excellent choice for birthstone jewelry. Available in 20 calibrated sizes ranging from 1.0mm to 8.0mm.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGarnet simulant\u003c\/strong\u003e composed of synthetic red corundum\u003c\/li\u003e\n\u003cli\u003eDeep, vivid red color replicating natural garnet\u003c\/li\u003e\n\u003cli\u003eMohs hardness rating of 9—suitable for everyday wear\u003c\/li\u003e\n\u003cli\u003eSafe to fire in metal clay\u003c\/li\u003e\n\u003cli\u003eSafe for stone-in-place casting\u003c\/li\u003e\n\u003cli\u003eJanuary birthstone alternative\u003c\/li\u003e\n\u003cli\u003eClean with warm soapy water; use of ultrasonic and steam cleaners is generally safe\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eGarnet Simulant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSynthetic Red Corundum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eRound Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eDeep Vivid Red\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMohs Hardness\u003c\/th\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Range\u003c\/th\u003e\n\u003ctd\u003e1.0mm – 8.0mm (20 calibrated sizes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/– 0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBirthstone Month\u003c\/th\u003e\n\u003ctd\u003eJanuary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMetal Clay Safe\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCast-in-Place Safe\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-110\u003c\/td\u003e\n\u003ctd\u003e1.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-112\u003c\/td\u003e\n\u003ctd\u003e1.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-115\u003c\/td\u003e\n\u003ctd\u003e1.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-117\u003c\/td\u003e\n\u003ctd\u003e1.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-120\u003c\/td\u003e\n\u003ctd\u003e2.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-122\u003c\/td\u003e\n\u003ctd\u003e2.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-125\u003c\/td\u003e\n\u003ctd\u003e2.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-127\u003c\/td\u003e\n\u003ctd\u003e2.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-130\u003c\/td\u003e\n\u003ctd\u003e3.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-132\u003c\/td\u003e\n\u003ctd\u003e3.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-135\u003c\/td\u003e\n\u003ctd\u003e3.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-137\u003c\/td\u003e\n\u003ctd\u003e3.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-140\u003c\/td\u003e\n\u003ctd\u003e4.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-145\u003c\/td\u003e\n\u003ctd\u003e4.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-150\u003c\/td\u003e\n\u003ctd\u003e5.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-155\u003c\/td\u003e\n\u003ctd\u003e5.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-160\u003c\/td\u003e\n\u003ctd\u003e6.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-165\u003c\/td\u003e\n\u003ctd\u003e6.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-170\u003c\/td\u003e\n\u003ctd\u003e7.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-180\u003c\/td\u003e\n\u003ctd\u003e8.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eCalibrated gemstone sizes may vary slightly +\/– 0.10mm. These stones are lab-created simulants and are not natural garnet.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"1.00mm","offer_id":47551807488214,"sku":"910-110","price":0.42,"currency_code":"USD","in_stock":true},{"title":"1.25mm","offer_id":47551807520982,"sku":"910-112","price":0.45,"currency_code":"USD","in_stock":true},{"title":"1.50mm","offer_id":47551807553750,"sku":"910-115","price":0.54,"currency_code":"USD","in_stock":true},{"title":"1.75mm","offer_id":47551807586518,"sku":"910-117","price":0.57,"currency_code":"USD","in_stock":true},{"title":"2.00mm","offer_id":47551807619286,"sku":"910-120","price":0.7,"currency_code":"USD","in_stock":true},{"title":"2.25mm","offer_id":47551807652054,"sku":"910-122","price":0.75,"currency_code":"USD","in_stock":true},{"title":"2.50mm","offer_id":47551807946966,"sku":"910-125","price":0.72,"currency_code":"USD","in_stock":true},{"title":"2.75mm","offer_id":47551807684822,"sku":"910-127","price":0.85,"currency_code":"USD","in_stock":true},{"title":"3.00mm","offer_id":47551807717590,"sku":"910-130","price":1.1,"currency_code":"USD","in_stock":true},{"title":"3.25mm","offer_id":47551807979734,"sku":"910-132","price":1.23,"currency_code":"USD","in_stock":true},{"title":"3.50mm","offer_id":47551807750358,"sku":"910-135","price":2.4,"currency_code":"USD","in_stock":true},{"title":"3.75mm","offer_id":47551808012502,"sku":"910-137","price":2.82,"currency_code":"USD","in_stock":true},{"title":"4.00mm","offer_id":47551807783126,"sku":"910-140","price":3.0,"currency_code":"USD","in_stock":true},{"title":"4.50mm","offer_id":47551808045270,"sku":"910-145","price":3.1,"currency_code":"USD","in_stock":true},{"title":"5.00mm","offer_id":47551807815894,"sku":"910-150","price":3.15,"currency_code":"USD","in_stock":true},{"title":"5.50mm","offer_id":47551808078038,"sku":"910-155","price":3.2,"currency_code":"USD","in_stock":true},{"title":"6.00mm","offer_id":47551808110806,"sku":"910-160","price":3.25,"currency_code":"USD","in_stock":true},{"title":"6.50mm","offer_id":47551807848662,"sku":"910-165","price":3.96,"currency_code":"USD","in_stock":true},{"title":"7.00mm","offer_id":47551807881430,"sku":"910-170","price":5.28,"currency_code":"USD","in_stock":true},{"title":"8.00mm","offer_id":47551807914198,"sku":"910-180","price":8.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/round-faceted-imitation-red-garnet-otto-frei.jpg?v=1719954589"},{"product_id":"round-faceted-imitation-amethyst-spinel-doublet-1-8mm","title":"Round Faceted Imitation Amethyst","description":"\u003cp\u003eThis Round Faceted Imitation Amethyst is composed of a lab-created synthetic spinel doublet, exhibiting a light to medium purple color that mimics the rich purple of natural amethyst — without its characteristic color zoning. The doublet construction layers two pieces of synthetic spinel bonded together with tinted adhesive, resulting in a consistent, uniform hue across every stone.\u003c\/p\u003e\u003cp\u003eAvailable in 18 calibrated sizes ranging from 1.0mm to 8.0mm, these imitation stones are well-suited for production jewelry, sample settings, display pieces, and resale applications where a reliable amethyst simulant is required at an accessible price point.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCare:\u003c\/strong\u003e Clean with warm, soapy water only. Do not apply heat. Calibrated gemstone sizes may vary slightly ±0.10mm.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmethyst simulant\u003c\/strong\u003e with consistent light to medium purple color\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynthetic spinel doublet\u003c\/strong\u003e construction — two layers bonded with tinted adhesive\u003c\/li\u003e\n\u003cli\u003eUniform color appearance without the natural color zoning of genuine amethyst\u003c\/li\u003e\n\u003cli\u003eAvailable in 18 sizes from 1.0mm to 8.0mm for broad setting compatibility\u003c\/li\u003e\n\u003cli\u003eCalibrated sizing (±0.10mm tolerance) for consistent fit in standard settings\u003c\/li\u003e\n\u003cli\u003eSuitable for resale, production jewelry, and display use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eImitation Amethyst (Amethyst Simulant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eSynthetic Spinel Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eRound Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eLight to Medium Purple\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Range\u003c\/th\u003e\n\u003ctd\u003e1.0mm – 8.0mm (18 sizes available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCare Instructions\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water only; avoid direct heat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-210\u003c\/td\u003e\n\u003ctd\u003e1.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-215\u003c\/td\u003e\n\u003ctd\u003e1.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-220\u003c\/td\u003e\n\u003ctd\u003e2.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-222\u003c\/td\u003e\n\u003ctd\u003e2.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-225\u003c\/td\u003e\n\u003ctd\u003e2.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-227\u003c\/td\u003e\n\u003ctd\u003e2.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-230\u003c\/td\u003e\n\u003ctd\u003e3.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-232\u003c\/td\u003e\n\u003ctd\u003e3.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-235\u003c\/td\u003e\n\u003ctd\u003e3.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-237\u003c\/td\u003e\n\u003ctd\u003e3.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-240\u003c\/td\u003e\n\u003ctd\u003e4.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-245\u003c\/td\u003e\n\u003ctd\u003e4.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-250\u003c\/td\u003e\n\u003ctd\u003e5.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-255\u003c\/td\u003e\n\u003ctd\u003e5.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-260\u003c\/td\u003e\n\u003ctd\u003e6.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-265\u003c\/td\u003e\n\u003ctd\u003e6.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-270\u003c\/td\u003e\n\u003ctd\u003e7.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-280\u003c\/td\u003e\n\u003ctd\u003e8.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThis is an imitation (simulant) stone, not a natural or lab-grown amethyst.\u003c\/li\u003e\n\u003cli\u003eDoublet construction makes these stones sensitive to heat and harsh chemicals — avoid steam cleaning, ultrasonic cleaning, and prolonged heat exposure.\u003c\/li\u003e\n\u003cli\u003eCalibrated sizes may vary slightly ±0.10mm from stated dimensions.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"1.00mm","offer_id":47551808241878,"sku":"910-210","price":1.5,"currency_code":"USD","in_stock":true},{"title":"1.50mm","offer_id":47551808274646,"sku":"910-215","price":1.6,"currency_code":"USD","in_stock":true},{"title":"2.00mm","offer_id":47551808307414,"sku":"910-220","price":1.65,"currency_code":"USD","in_stock":true},{"title":"2.25mm","offer_id":47551808340182,"sku":"910-222","price":1.7,"currency_code":"USD","in_stock":true},{"title":"2.50mm","offer_id":47551808372950,"sku":"910-225","price":1.75,"currency_code":"USD","in_stock":true},{"title":"2.75mm","offer_id":47551808405718,"sku":"910-227","price":2.8,"currency_code":"USD","in_stock":true},{"title":"3.00mm","offer_id":47551808438486,"sku":"910-230","price":2.9,"currency_code":"USD","in_stock":true},{"title":"3.25mm","offer_id":47551808471254,"sku":"910-232","price":2.95,"currency_code":"USD","in_stock":true},{"title":"3.50mm","offer_id":47551808504022,"sku":"910-235","price":3.0,"currency_code":"USD","in_stock":true},{"title":"3.75mm","offer_id":47551808536790,"sku":"910-237","price":3.4,"currency_code":"USD","in_stock":true},{"title":"4.00mm","offer_id":47551808569558,"sku":"910-240","price":4.2,"currency_code":"USD","in_stock":true},{"title":"4.50mm","offer_id":47551808602326,"sku":"910-245","price":4.3,"currency_code":"USD","in_stock":false},{"title":"5.00mm","offer_id":47551808635094,"sku":"910-250","price":4.35,"currency_code":"USD","in_stock":true},{"title":"5.50mm","offer_id":47551808667862,"sku":"910-255","price":4.5,"currency_code":"USD","in_stock":true},{"title":"6.00mm","offer_id":47551808700630,"sku":"910-260","price":6.42,"currency_code":"USD","in_stock":true},{"title":"6.50mm","offer_id":47551808733398,"sku":"910-265","price":6.6,"currency_code":"USD","in_stock":true},{"title":"7.00mm","offer_id":47551808766166,"sku":"910-270","price":7.5,"currency_code":"USD","in_stock":true},{"title":"8.00mm","offer_id":47551808798934,"sku":"910-280","price":11.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/round-faceted-imitation-amethyst-otto-frei.jpg?v=1719954589"},{"product_id":"round-faceted-imitation-aquamarine-synthetic-spinel-1-11mm","title":"Round Faceted Imitation Aquamarine","description":"\u003cp\u003eThese round faceted imitation aquamarine stones simulate the light sky blue color of natural aquamarine and are composed of lab-created blue spinel. Calibrated for consistent sizing across jewelry settings, they offer a cost-effective alternative to natural aquamarine for production work, sample pieces, and retail resale. Calibrated gemstone sizes may vary slightly by +\/–0.10mm.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquamarine simulant\u003c\/strong\u003e — replicates the light sky blue color of natural aquamarine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposed of synthetic spinel\u003c\/strong\u003e — lab-created material for consistent color and clarity\u003c\/li\u003e\n\u003cli\u003eRound faceted cut for maximum light return and versatile setting compatibility\u003c\/li\u003e\n\u003cli\u003eGenerally safe for stone-in-place casting, though some risk of damage may occur\u003c\/li\u003e\n\u003cli\u003eCleaning with warm, soapy water is recommended; ultrasonic and steam cleaning are generally safe\u003c\/li\u003e\n\u003cli\u003eCalibrated sizing with a tolerance of +\/–0.10mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eImitation Aquamarine (Aquamarine Simulant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eLab-Created \/ Synthetic Spinel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eLight Sky Blue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eRound Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/–0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCleaning\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water; ultrasonic and steam generally safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCasting\u003c\/th\u003e\n\u003ctd\u003eGenerally safe for stone-in-place casting; some risk of damage may occur\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-310\u003c\/td\u003e\n\u003ctd\u003e1.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-315\u003c\/td\u003e\n\u003ctd\u003e1.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-320\u003c\/td\u003e\n\u003ctd\u003e2.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-322\u003c\/td\u003e\n\u003ctd\u003e2.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-325\u003c\/td\u003e\n\u003ctd\u003e2.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-327\u003c\/td\u003e\n\u003ctd\u003e2.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-330\u003c\/td\u003e\n\u003ctd\u003e3.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-332\u003c\/td\u003e\n\u003ctd\u003e3.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-335\u003c\/td\u003e\n\u003ctd\u003e3.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-337\u003c\/td\u003e\n\u003ctd\u003e3.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-340\u003c\/td\u003e\n\u003ctd\u003e4.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-345\u003c\/td\u003e\n\u003ctd\u003e4.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-350\u003c\/td\u003e\n\u003ctd\u003e5.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-355\u003c\/td\u003e\n\u003ctd\u003e5.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-360\u003c\/td\u003e\n\u003ctd\u003e6.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-365\u003c\/td\u003e\n\u003ctd\u003e6.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-370\u003c\/td\u003e\n\u003ctd\u003e7.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-380\u003c\/td\u003e\n\u003ctd\u003e8.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-391\u003c\/td\u003e\n\u003ctd\u003e11.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"1.00mm","offer_id":47551809257686,"sku":"910-310","price":0.3,"currency_code":"USD","in_stock":true},{"title":"1.50mm","offer_id":47551809290454,"sku":"910-315","price":0.33,"currency_code":"USD","in_stock":true},{"title":"2.00mm","offer_id":47551808864470,"sku":"910-320","price":0.54,"currency_code":"USD","in_stock":true},{"title":"2.25mm","offer_id":47551808897238,"sku":"910-322","price":0.7,"currency_code":"USD","in_stock":false},{"title":"2.50mm","offer_id":47551809323222,"sku":"910-325","price":0.8,"currency_code":"USD","in_stock":true},{"title":"2.75mm","offer_id":47551808930006,"sku":"910-327","price":1.5,"currency_code":"USD","in_stock":true},{"title":"3.00mm","offer_id":47551809355990,"sku":"910-330","price":2.0,"currency_code":"USD","in_stock":true},{"title":"3.25mm","offer_id":47551808962774,"sku":"910-332","price":2.58,"currency_code":"USD","in_stock":true},{"title":"3.50mm","offer_id":47551808995542,"sku":"910-335","price":2.65,"currency_code":"USD","in_stock":true},{"title":"3.75mm","offer_id":47551809388758,"sku":"910-337","price":2.9,"currency_code":"USD","in_stock":false},{"title":"4.00mm","offer_id":47551809421526,"sku":"910-340","price":3.0,"currency_code":"USD","in_stock":false},{"title":"4.50mm","offer_id":47551809028310,"sku":"910-345","price":3.4,"currency_code":"USD","in_stock":false},{"title":"5.00mm","offer_id":47551809061078,"sku":"910-350","price":3.5,"currency_code":"USD","in_stock":true},{"title":"5.50mm","offer_id":47551809093846,"sku":"910-355","price":3.8,"currency_code":"USD","in_stock":true},{"title":"6.00mm","offer_id":47551809126614,"sku":"910-360","price":3.96,"currency_code":"USD","in_stock":true},{"title":"6.50mm","offer_id":47551809159382,"sku":"910-365","price":4.45,"currency_code":"USD","in_stock":true},{"title":"7.00mm","offer_id":47551809192150,"sku":"910-370","price":5.0,"currency_code":"USD","in_stock":false},{"title":"8.00mm","offer_id":47551809224918,"sku":"910-380","price":5.8,"currency_code":"USD","in_stock":false},{"title":"11.00mm","offer_id":47551809454294,"sku":"910-391","price":7.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/round-faceted-imitation-aquamarine-otto-frei.jpg?v=1719954589"},{"product_id":"round-faceted-imitation-emerald-spinel-doublet-1mm-12mm","title":"Round Faceted Imitation Emerald","description":"\u003cp\u003eDisplaying a rich emerald green, these Round Faceted Imitation Emeralds are an ideal choice for May birthstone jewelry and custom gemstone work. Each stone is a synthetic spinel doublet — composed of two layers of spinel bonded together with tinted adhesive — delivering consistent color and brilliance across the full size range. Available in twenty calibrated sizes from 1.00mm through 12.0mm, these stones offer jewelers and metalsmiths flexible options for a wide variety of settings and designs.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmerald simulant\u003c\/strong\u003e with a rich, saturated green color suited for May birthstone applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynthetic spinel doublet construction\u003c\/strong\u003e — two layers of spinel bonded with tinted adhesive for consistent color depth\u003c\/li\u003e\n\u003cli\u003eAvailable in \u003cstrong\u003etwenty calibrated sizes\u003c\/strong\u003e from 1.00mm to 12.0mm\u003c\/li\u003e\n\u003cli\u003eClean with \u003cstrong\u003ewarm, soapy water\u003c\/strong\u003e only — do not apply heat or use ultrasonic or steam cleaning\u003c\/li\u003e\n\u003cli\u003eCalibrated sizes may vary slightly \u003cstrong\u003e±0.10mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eImitation Emerald (Emerald Simulant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eSynthetic Spinel Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eRound Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eEmerald Green\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCare\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water only; avoid direct heat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-510\u003c\/td\u003e\n\u003ctd\u003e1.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-512\u003c\/td\u003e\n\u003ctd\u003e1.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-515\u003c\/td\u003e\n\u003ctd\u003e1.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-517\u003c\/td\u003e\n\u003ctd\u003e1.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-520\u003c\/td\u003e\n\u003ctd\u003e2.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-522\u003c\/td\u003e\n\u003ctd\u003e2.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-525\u003c\/td\u003e\n\u003ctd\u003e2.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-527\u003c\/td\u003e\n\u003ctd\u003e2.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-530\u003c\/td\u003e\n\u003ctd\u003e3.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-532\u003c\/td\u003e\n\u003ctd\u003e3.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-535\u003c\/td\u003e\n\u003ctd\u003e3.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-537\u003c\/td\u003e\n\u003ctd\u003e3.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-540\u003c\/td\u003e\n\u003ctd\u003e4.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-545\u003c\/td\u003e\n\u003ctd\u003e4.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-550\u003c\/td\u003e\n\u003ctd\u003e5.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-560\u003c\/td\u003e\n\u003ctd\u003e6.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-565\u003c\/td\u003e\n\u003ctd\u003e6.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-570\u003c\/td\u003e\n\u003ctd\u003e7.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-580\u003c\/td\u003e\n\u003ctd\u003e8.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-590\u003c\/td\u003e\n\u003ctd\u003e12.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvoid direct heat\u003c\/strong\u003e — the doublet construction and tinted adhesive are heat-sensitive. Do not use a torch, steam cleaner, or ultrasonic cleaner.\u003c\/li\u003e\n\u003cli\u003eCalibrated gemstone sizes may vary slightly \u003cstrong\u003e±0.10mm\u003c\/strong\u003e from the stated diameter.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"1.00mm","offer_id":47551809487062,"sku":"910-510","price":1.95,"currency_code":"USD","in_stock":true},{"title":"1.25mm","offer_id":47551809519830,"sku":"910-512","price":1.99,"currency_code":"USD","in_stock":true},{"title":"1.50mm","offer_id":47551809552598,"sku":"910-515","price":2.05,"currency_code":"USD","in_stock":true},{"title":"1.75mm","offer_id":47551809585366,"sku":"910-517","price":2.1,"currency_code":"USD","in_stock":true},{"title":"2.00mm","offer_id":47551809618134,"sku":"910-520","price":2.25,"currency_code":"USD","in_stock":true},{"title":"2.25mm","offer_id":47551809650902,"sku":"910-522","price":2.35,"currency_code":"USD","in_stock":true},{"title":"2.50mm","offer_id":47551810011350,"sku":"910-525","price":2.5,"currency_code":"USD","in_stock":true},{"title":"2.75mm","offer_id":47551809683670,"sku":"910-527","price":2.75,"currency_code":"USD","in_stock":true},{"title":"3.00mm","offer_id":47551809716438,"sku":"910-530","price":3.93,"currency_code":"USD","in_stock":true},{"title":"3.25mm","offer_id":47551810044118,"sku":"910-532","price":4.8,"currency_code":"USD","in_stock":true},{"title":"3.50mm","offer_id":47551809749206,"sku":"910-535","price":5.04,"currency_code":"USD","in_stock":true},{"title":"3.75mm","offer_id":47551809781974,"sku":"910-537","price":5.1,"currency_code":"USD","in_stock":true},{"title":"4.00mm","offer_id":47551810076886,"sku":"910-540","price":5.15,"currency_code":"USD","in_stock":true},{"title":"4.50mm","offer_id":47551809814742,"sku":"910-545","price":5.2,"currency_code":"USD","in_stock":false},{"title":"5.00mm","offer_id":47551809847510,"sku":"910-550","price":5.25,"currency_code":"USD","in_stock":true},{"title":"6.00mm","offer_id":47551809880278,"sku":"910-560","price":6.42,"currency_code":"USD","in_stock":true},{"title":"6.50mm","offer_id":47551809913046,"sku":"910-565","price":7.82,"currency_code":"USD","in_stock":true},{"title":"7.00mm","offer_id":47551809945814,"sku":"910-570","price":8.6,"currency_code":"USD","in_stock":true},{"title":"8.00mm","offer_id":47551809978582,"sku":"910-580","price":10.49,"currency_code":"USD","in_stock":false},{"title":"12.0mm","offer_id":47551810109654,"sku":"910-590","price":14.75,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/round-faceted-imitation-emerald-otto-frei.jpg?v=1719954589"},{"product_id":"round-faceted-imitation-alexandrite-synthetic-corundum-1-8mm","title":"Round Faceted Imitation Alexandrite","description":"\u003cp\u003eThis Alexandrite simulant is crafted from lab-created synthetic purple corundum, displaying a distinctive greyish-purple hue. With a hardness rating of 9 on the Mohs Scale, these stones offer excellent durability suited for everyday wear. Their round faceted cut delivers classic brilliance, and calibrated sizing ensures consistent fitting across a wide range of settings. Note that calibrated gemstone sizes may vary slightly by +\/–0.10mm.\u003c\/p\u003e\n\n\u003cp\u003eThese simulants are particularly versatile for studio jewelers—they are safe to fire in metal clay and can be cast in place, making them a practical choice for a variety of fabrication techniques. Clean with warm, soapy water; use of an ultrasonic or steam cleaner is generally safe.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlexandrite simulant\u003c\/strong\u003e composed of synthetic purple corundum\u003c\/li\u003e\n\u003cli\u003eGreyish-purple color with a round faceted cut\u003c\/li\u003e\n\u003cli\u003eMohs hardness of 9 — durable enough for everyday wear\u003c\/li\u003e\n\u003cli\u003eSafe to fire in metal clay\u003c\/li\u003e\n\u003cli\u003eSafe for stone-in-place casting\u003c\/li\u003e\n\u003cli\u003eCompatible with ultrasonic and steam cleaning\u003c\/li\u003e\n\u003cli\u003eCalibrated sizes may vary by +\/–0.10mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eAlexandrite Simulant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSynthetic Purple Corundum (Lab-Created)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eRound Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eGreyish Purple\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMohs Hardness\u003c\/th\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/–0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMetal Clay Safe\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCast in Place Safe\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-610\u003c\/td\u003e\n\u003ctd\u003e1.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-615\u003c\/td\u003e\n\u003ctd\u003e1.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-620\u003c\/td\u003e\n\u003ctd\u003e2.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-622\u003c\/td\u003e\n\u003ctd\u003e2.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-625\u003c\/td\u003e\n\u003ctd\u003e2.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-627\u003c\/td\u003e\n\u003ctd\u003e2.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-630\u003c\/td\u003e\n\u003ctd\u003e3.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-632\u003c\/td\u003e\n\u003ctd\u003e3.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-635\u003c\/td\u003e\n\u003ctd\u003e3.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-637\u003c\/td\u003e\n\u003ctd\u003e3.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-640\u003c\/td\u003e\n\u003ctd\u003e4.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-645\u003c\/td\u003e\n\u003ctd\u003e4.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-650\u003c\/td\u003e\n\u003ctd\u003e5.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-655\u003c\/td\u003e\n\u003ctd\u003e5.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-660\u003c\/td\u003e\n\u003ctd\u003e6.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-665\u003c\/td\u003e\n\u003ctd\u003e6.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-670\u003c\/td\u003e\n\u003ctd\u003e7.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-680\u003c\/td\u003e\n\u003ctd\u003e8.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"1.00mm","offer_id":47551810371798,"sku":"910-610","price":0.5,"currency_code":"USD","in_stock":true},{"title":"1.50mm","offer_id":47551810404566,"sku":"910-615","price":0.6,"currency_code":"USD","in_stock":true},{"title":"2.00mm","offer_id":47551810437334,"sku":"910-620","price":0.65,"currency_code":"USD","in_stock":true},{"title":"2.25mm","offer_id":47551810470102,"sku":"910-622","price":0.69,"currency_code":"USD","in_stock":true},{"title":"2.50mm","offer_id":47551810502870,"sku":"910-625","price":0.72,"currency_code":"USD","in_stock":true},{"title":"2.75mm","offer_id":47551810535638,"sku":"910-627","price":0.75,"currency_code":"USD","in_stock":true},{"title":"3.00mm","offer_id":47551810568406,"sku":"910-630","price":1.0,"currency_code":"USD","in_stock":true},{"title":"3.25mm","offer_id":47551810601174,"sku":"910-632","price":2.1,"currency_code":"USD","in_stock":true},{"title":"3.50mm","offer_id":47551810633942,"sku":"910-635","price":2.4,"currency_code":"USD","in_stock":true},{"title":"3.75mm","offer_id":47551810666710,"sku":"910-637","price":2.5,"currency_code":"USD","in_stock":false},{"title":"4.00mm","offer_id":47551810699478,"sku":"910-640","price":3.1,"currency_code":"USD","in_stock":true},{"title":"4.50mm","offer_id":47551810732246,"sku":"910-645","price":3.62,"currency_code":"USD","in_stock":true},{"title":"5.00mm","offer_id":47551810765014,"sku":"910-650","price":3.7,"currency_code":"USD","in_stock":true},{"title":"5.50mm","offer_id":47551810797782,"sku":"910-655","price":3.8,"currency_code":"USD","in_stock":true},{"title":"6.00mm","offer_id":47551810830550,"sku":"910-660","price":4.4,"currency_code":"USD","in_stock":true},{"title":"6.50mm","offer_id":47551810863318,"sku":"910-665","price":4.6,"currency_code":"USD","in_stock":true},{"title":"7.00mm","offer_id":47551810896086,"sku":"910-670","price":7.1,"currency_code":"USD","in_stock":true},{"title":"8.00mm","offer_id":47551810928854,"sku":"910-680","price":6.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/round-faceted-imitation-alexandrite-otto-frei.jpg?v=1719954588"},{"product_id":"round-faceted-lab-created-ruby-1-8mm","title":"Round Faceted Lab-Created Ruby","description":"\u003cp\u003eComposed of man-made corundum, this round faceted lab-created ruby shares the same chemical composition and durability as natural ruby. Known as the \"King of Gems,\" ruby has been prized since antiquity for its vivid color and rarity. As the birthstone for July, it remains one of the most desirable gemstones in jewelry making. Available in a broad range of sizes from 1.00mm to 8.00mm, these stones offer consistent, predictable quality for professional jewelers and metalsmiths.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDurability equal to natural ruby — corundum hardness\u003c\/li\u003e\n\u003cli\u003eVivid medium to dark purplish red color, consistent across the range\u003c\/li\u003e\n\u003cli\u003eEye-clean clarity with synthetic, standardized quality\u003c\/li\u003e\n\u003cli\u003eSafe for firing in metal clay\u003c\/li\u003e\n\u003cli\u003eSuitable for stone-in-place casting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone\u003c\/th\u003e\n\u003ctd\u003eLab-created ruby\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition\u003c\/th\u003e\n\u003ctd\u003eMan-made corundum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eRound faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eVivid medium to dark purplish red\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClarity\u003c\/th\u003e\n\u003ctd\u003eEye-clean\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTreatment\u003c\/th\u003e\n\u003ctd\u003eSynthetic (standard, consistent quality)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBirthstone\u003c\/th\u003e\n\u003ctd\u003eJuly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-710\u003c\/td\u003e\n\u003ctd\u003e1.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-712\u003c\/td\u003e\n\u003ctd\u003e1.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-715\u003c\/td\u003e\n\u003ctd\u003e1.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-717\u003c\/td\u003e\n\u003ctd\u003e1.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-720\u003c\/td\u003e\n\u003ctd\u003e2.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-722\u003c\/td\u003e\n\u003ctd\u003e2.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-725\u003c\/td\u003e\n\u003ctd\u003e2.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-727\u003c\/td\u003e\n\u003ctd\u003e2.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-730\u003c\/td\u003e\n\u003ctd\u003e3.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-732\u003c\/td\u003e\n\u003ctd\u003e3.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-735\u003c\/td\u003e\n\u003ctd\u003e3.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-737\u003c\/td\u003e\n\u003ctd\u003e3.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-740\u003c\/td\u003e\n\u003ctd\u003e4.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-745\u003c\/td\u003e\n\u003ctd\u003e4.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-750\u003c\/td\u003e\n\u003ctd\u003e5.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-755\u003c\/td\u003e\n\u003ctd\u003e5.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-760\u003c\/td\u003e\n\u003ctd\u003e6.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-765\u003c\/td\u003e\n\u003ctd\u003e6.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-770\u003c\/td\u003e\n\u003ctd\u003e7.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-780\u003c\/td\u003e\n\u003ctd\u003e8.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eClean with warm, soapy water. Ultrasonic and steam cleaners are generally safe for use.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"1.00mm","offer_id":47551811584214,"sku":"910-710","price":0.65,"currency_code":"USD","in_stock":true},{"title":"1.25mm","offer_id":47807500288214,"sku":"910-712","price":0.75,"currency_code":"USD","in_stock":false},{"title":"1.50mm","offer_id":47807500320982,"sku":"910-715","price":1.2,"currency_code":"USD","in_stock":true},{"title":"1.75mm","offer_id":47807500353750,"sku":"910-717","price":1.35,"currency_code":"USD","in_stock":true},{"title":"2.00mm","offer_id":47807500386518,"sku":"910-720","price":1.5,"currency_code":"USD","in_stock":true},{"title":"2.25mm","offer_id":47807500419286,"sku":"910-722","price":1.65,"currency_code":"USD","in_stock":true},{"title":"2.50mm","offer_id":47807500452054,"sku":"910-725","price":1.75,"currency_code":"USD","in_stock":true},{"title":"2.75mm","offer_id":47807500484822,"sku":"910-727","price":1.85,"currency_code":"USD","in_stock":true},{"title":"3.00mm","offer_id":47807500517590,"sku":"910-730","price":2.0,"currency_code":"USD","in_stock":true},{"title":"3.25mm","offer_id":47807500550358,"sku":"910-732","price":2.25,"currency_code":"USD","in_stock":true},{"title":"3.50mm","offer_id":47807500583126,"sku":"910-735","price":2.5,"currency_code":"USD","in_stock":true},{"title":"3.75mm","offer_id":47807500615894,"sku":"910-737","price":2.9,"currency_code":"USD","in_stock":true},{"title":"4.00mm","offer_id":47807500648662,"sku":"910-740","price":3.0,"currency_code":"USD","in_stock":true},{"title":"4.50mm","offer_id":47807500681430,"sku":"910-745","price":3.15,"currency_code":"USD","in_stock":true},{"title":"5.00mm","offer_id":47807500714198,"sku":"910-750","price":3.6,"currency_code":"USD","in_stock":true},{"title":"5.50mm","offer_id":47807500746966,"sku":"910-755","price":3.8,"currency_code":"USD","in_stock":true},{"title":"6.00mm","offer_id":47807500779734,"sku":"910-760","price":4.0,"currency_code":"USD","in_stock":true},{"title":"6.50mm","offer_id":47807500812502,"sku":"910-765","price":4.25,"currency_code":"USD","in_stock":true},{"title":"7.00mm","offer_id":47807500845270,"sku":"910-770","price":4.5,"currency_code":"USD","in_stock":false},{"title":"8.00mm","offer_id":47807500878038,"sku":"910-780","price":5.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/round-faceted-lab-created-ruby-otto-frei.jpg?v=1719954588"},{"product_id":"round-faceted-imitation-peridot-spinel-doublet-1mm-12mm","title":"Round Faceted Imitation Peridot","description":"\u003cp\u003eThese round faceted imitation peridot stones display the characteristic lime-green color of natural peridot. Each stone is a lab-created yellow-green spinel doublet, composed of two layers of synthetic spinel bonded together with tinted adhesive to achieve an authentic peridot appearance. Available in a wide range of calibrated sizes suitable for setting in finished jewelry or for resale applications.\u003c\/p\u003e\n\n\u003cp\u003eClean with warm, soapy water only. Do not apply heat or expose to direct heat sources, as the adhesive bonding the doublet layers may be affected.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eCalibrated gemstone sizes may vary slightly ±0.10mm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePeridot simulant with characteristic lime-green color\u003c\/li\u003e\n\u003cli\u003eComposed of lab-created yellow-green synthetic spinel doublet\u003c\/li\u003e\n\u003cli\u003eTwo layers of spinel bonded with tinted adhesive\u003c\/li\u003e\n\u003cli\u003eRound faceted cut\u003c\/li\u003e\n\u003cli\u003eWide size range from 1.00mm to 12mm\u003c\/li\u003e\n\u003cli\u003eSuitable for setting in jewelry or resale\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvoid direct heat\u003c\/strong\u003e — adhesive bonding may be compromised by heat exposure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eImitation Peridot (Peridot Simulant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition\u003c\/th\u003e\n\u003ctd\u003eLab-Created Yellow-Green Spinel Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eTwo layers of synthetic spinel bonded with tinted adhesive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eRound Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCare\u003c\/th\u003e\n\u003ctd\u003eClean with warm, soapy water only; avoid direct heat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-810\u003c\/td\u003e\n\u003ctd\u003e1.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-815\u003c\/td\u003e\n\u003ctd\u003e1.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-820\u003c\/td\u003e\n\u003ctd\u003e2.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-822\u003c\/td\u003e\n\u003ctd\u003e2.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-825\u003c\/td\u003e\n\u003ctd\u003e2.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-827\u003c\/td\u003e\n\u003ctd\u003e2.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-830\u003c\/td\u003e\n\u003ctd\u003e3.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-832\u003c\/td\u003e\n\u003ctd\u003e3.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-835\u003c\/td\u003e\n\u003ctd\u003e3.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-837\u003c\/td\u003e\n\u003ctd\u003e3.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-840\u003c\/td\u003e\n\u003ctd\u003e4.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-845\u003c\/td\u003e\n\u003ctd\u003e4.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-850\u003c\/td\u003e\n\u003ctd\u003e5.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-855\u003c\/td\u003e\n\u003ctd\u003e5.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-860\u003c\/td\u003e\n\u003ctd\u003e6.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-865\u003c\/td\u003e\n\u003ctd\u003e6.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-870\u003c\/td\u003e\n\u003ctd\u003e7.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-880\u003c\/td\u003e\n\u003ctd\u003e8.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-895\u003c\/td\u003e\n\u003ctd\u003e12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"1.00mm","offer_id":47551810961622,"sku":"910-810","price":0.78,"currency_code":"USD","in_stock":true},{"title":"1.50mm","offer_id":47551810994390,"sku":"910-815","price":0.84,"currency_code":"USD","in_stock":true},{"title":"2.00mm","offer_id":47551811027158,"sku":"910-820","price":0.9,"currency_code":"USD","in_stock":true},{"title":"2.25mm","offer_id":47551811059926,"sku":"910-822","price":1.57,"currency_code":"USD","in_stock":false},{"title":"2.50mm","offer_id":47551811092694,"sku":"910-825","price":1.6,"currency_code":"USD","in_stock":true},{"title":"2.75mm","offer_id":47551811125462,"sku":"910-827","price":1.74,"currency_code":"USD","in_stock":true},{"title":"3.00mm","offer_id":47551811158230,"sku":"910-830","price":2.0,"currency_code":"USD","in_stock":true},{"title":"3.25mm","offer_id":47551811190998,"sku":"910-832","price":3.0,"currency_code":"USD","in_stock":true},{"title":"3.50mm","offer_id":47551811223766,"sku":"910-835","price":3.05,"currency_code":"USD","in_stock":true},{"title":"3.75mm","offer_id":47551811256534,"sku":"910-837","price":3.25,"currency_code":"USD","in_stock":true},{"title":"4.00mm","offer_id":47551811289302,"sku":"910-840","price":3.43,"currency_code":"USD","in_stock":true},{"title":"4.50mm","offer_id":47551811322070,"sku":"910-845","price":4.0,"currency_code":"USD","in_stock":true},{"title":"5.00mm","offer_id":47551811354838,"sku":"910-850","price":5.0,"currency_code":"USD","in_stock":true},{"title":"5.50mm","offer_id":47551811387606,"sku":"910-855","price":5.0,"currency_code":"USD","in_stock":false},{"title":"6.00mm","offer_id":47551811420374,"sku":"910-860","price":6.42,"currency_code":"USD","in_stock":true},{"title":"6.50mm","offer_id":47551811453142,"sku":"910-865","price":8.85,"currency_code":"USD","in_stock":true},{"title":"7.00mm","offer_id":47551811485910,"sku":"910-870","price":18.42,"currency_code":"USD","in_stock":true},{"title":"8.00mm","offer_id":47551811518678,"sku":"910-880","price":18.75,"currency_code":"USD","in_stock":false},{"title":"12mm","offer_id":47551811551446,"sku":"910-895","price":19.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/round-faceted-imitation-peridot-otto-frei.jpg?v=1719954588"},{"product_id":"round-faceted-imitation-sapphire-blue-spinel-1-8mm","title":"Round Faceted Imitation Sapphire","description":"\u003cp\u003eMimicking the rich royal blue of natural sapphire, these round faceted imitation sapphires are composed of lab-created blue spinel. Designed as a sapphire simulant, they deliver a convincing color match at a practical price point — ideal for production jewelry, samples, and resale applications. Available in a wide range of calibrated sizes from 1.00mm to 8.00mm to suit a variety of setting styles and design needs.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSapphire simulant\u003c\/strong\u003e — mimics the royal blue color of natural sapphire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposed of synthetic spinel\u003c\/strong\u003e — lab-created material for consistent color and clarity\u003c\/li\u003e\n\u003cli\u003eSafe for stone-in-place casting, though some risk of damage may occur\u003c\/li\u003e\n\u003cli\u003eCalibrated sizes for predictable fit in standard settings\u003c\/li\u003e\n\u003cli\u003eSuitable for resale and production jewelry use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eImitation Sapphire (Sapphire Simulant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eLab-Created Blue Spinel (Synthetic Spinel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eRound Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Range\u003c\/th\u003e\n\u003ctd\u003e1.00mm – 8.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/– 0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStone-in-Place Casting\u003c\/th\u003e\n\u003ctd\u003eUsually safe; some risk of damage may occur\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCleaning\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water; ultrasonic and steam cleaning usually safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-910\u003c\/td\u003e\n\u003ctd\u003e1.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-912\u003c\/td\u003e\n\u003ctd\u003e1.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-915\u003c\/td\u003e\n\u003ctd\u003e1.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-917\u003c\/td\u003e\n\u003ctd\u003e1.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-920\u003c\/td\u003e\n\u003ctd\u003e2.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-922\u003c\/td\u003e\n\u003ctd\u003e2.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-925\u003c\/td\u003e\n\u003ctd\u003e2.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-927\u003c\/td\u003e\n\u003ctd\u003e2.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-930\u003c\/td\u003e\n\u003ctd\u003e3.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-932\u003c\/td\u003e\n\u003ctd\u003e3.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-935\u003c\/td\u003e\n\u003ctd\u003e3.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-937\u003c\/td\u003e\n\u003ctd\u003e3.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-940\u003c\/td\u003e\n\u003ctd\u003e4.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-945\u003c\/td\u003e\n\u003ctd\u003e4.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-950\u003c\/td\u003e\n\u003ctd\u003e5.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-955\u003c\/td\u003e\n\u003ctd\u003e5.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-960\u003c\/td\u003e\n\u003ctd\u003e6.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-965\u003c\/td\u003e\n\u003ctd\u003e6.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-970\u003c\/td\u003e\n\u003ctd\u003e7.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-980\u003c\/td\u003e\n\u003ctd\u003e8.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCalibrated gemstone sizes may vary slightly +\/– 0.10mm.\u003c\/li\u003e\n\u003cli\u003eStone-in-place casting is generally considered safe, though some risk of damage may occur depending on casting conditions.\u003c\/li\u003e\n\u003cli\u003eUltrasonic and steam cleaning are usually safe; warm soapy water is recommended for standard care.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"1.00mm","offer_id":47551812305110,"sku":"910-910","price":0.45,"currency_code":"USD","in_stock":true},{"title":"1.25mm","offer_id":47551812337878,"sku":"910-912","price":1.08,"currency_code":"USD","in_stock":true},{"title":"1.50mm","offer_id":47551812370646,"sku":"910-915","price":1.1,"currency_code":"USD","in_stock":true},{"title":"1.75mm","offer_id":47551812403414,"sku":"910-917","price":1.12,"currency_code":"USD","in_stock":true},{"title":"2.00mm","offer_id":47551812436182,"sku":"910-920","price":1.15,"currency_code":"USD","in_stock":true},{"title":"2.25mm","offer_id":47551812468950,"sku":"910-922","price":1.17,"currency_code":"USD","in_stock":true},{"title":"2.50mm","offer_id":47551812501718,"sku":"910-925","price":1.2,"currency_code":"USD","in_stock":true},{"title":"2.75mm","offer_id":47551812534486,"sku":"910-927","price":1.25,"currency_code":"USD","in_stock":true},{"title":"3.00mm","offer_id":47551812567254,"sku":"910-930","price":1.3,"currency_code":"USD","in_stock":true},{"title":"3.25mm","offer_id":47551812600022,"sku":"910-932","price":2.35,"currency_code":"USD","in_stock":true},{"title":"3.50mm","offer_id":47551812632790,"sku":"910-935","price":2.4,"currency_code":"USD","in_stock":true},{"title":"3.75mm","offer_id":47551812665558,"sku":"910-937","price":2.45,"currency_code":"USD","in_stock":false},{"title":"4.00mm","offer_id":47551812698326,"sku":"910-940","price":3.9,"currency_code":"USD","in_stock":true},{"title":"4.50mm","offer_id":47551812731094,"sku":"910-945","price":4.0,"currency_code":"USD","in_stock":true},{"title":"5.00mm","offer_id":47551812763862,"sku":"910-950","price":4.5,"currency_code":"USD","in_stock":true},{"title":"5.50mm","offer_id":47551812796630,"sku":"910-955","price":5.0,"currency_code":"USD","in_stock":true},{"title":"6.00mm","offer_id":47551812829398,"sku":"910-960","price":5.2,"currency_code":"USD","in_stock":true},{"title":"6.50mm","offer_id":47551812862166,"sku":"910-965","price":5.8,"currency_code":"USD","in_stock":true},{"title":"7.00mm","offer_id":47551812894934,"sku":"910-970","price":6.5,"currency_code":"USD","in_stock":true},{"title":"8.00mm","offer_id":47551812927702,"sku":"910-980","price":6.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/round-faceted-imitation-sapphire-otto-frei.jpg?v=1719954588"},{"product_id":"round-faceted-imitation-pink-tourmaline-1-8mm-synthetic-corundum","title":"Round Faceted Imitation Pink Tourmaline","description":"\u003cp\u003eThis Pink Tourmaline simulant is composed of lab-created synthetic pink corundum, displaying a beautiful rose pink hue that closely mimics the appearance of natural pink tourmaline. With a hardness of 9 on the Mohs Scale, these stones offer exceptional durability suitable for everyday wear. They are safe to fire in metal clay and approved for stone-in-place casting, making them a versatile choice for a wide range of fabrication and casting techniques. Available in 18 calibrated sizes ranging from 1.0mm to 8.0mm.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePink tourmaline simulant\u003c\/strong\u003e with a rich rose pink hue\u003c\/li\u003e\n\u003cli\u003eComposed of \u003cstrong\u003esynthetic pink corundum\u003c\/strong\u003e for consistent color and clarity\u003c\/li\u003e\n\u003cli\u003eMohs hardness of \u003cstrong\u003e9\u003c\/strong\u003e — highly durable for everyday wear\u003c\/li\u003e\n\u003cli\u003eSafe to \u003cstrong\u003efire in metal clay\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSafe for \u003cstrong\u003estone-in-place casting\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eClean with warm, soapy water; avoid ultrasonic and steam cleaners\u003c\/li\u003e\n\u003cli\u003eCalibrated sizes may vary slightly ±0.10mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003ePink Tourmaline Simulant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSynthetic Pink Corundum (Lab-Created)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eRose Pink\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMohs Hardness\u003c\/th\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eRound Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Range\u003c\/th\u003e\n\u003ctd\u003e1.0mm – 8.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMetal Clay Safe\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCast-in-Place Safe\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-A10\u003c\/td\u003e\n\u003ctd\u003e1.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-A15\u003c\/td\u003e\n\u003ctd\u003e1.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-A20\u003c\/td\u003e\n\u003ctd\u003e2.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-A22\u003c\/td\u003e\n\u003ctd\u003e2.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-A25\u003c\/td\u003e\n\u003ctd\u003e2.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-A27\u003c\/td\u003e\n\u003ctd\u003e2.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-A30\u003c\/td\u003e\n\u003ctd\u003e3.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-A32\u003c\/td\u003e\n\u003ctd\u003e3.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-A35\u003c\/td\u003e\n\u003ctd\u003e3.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-A37\u003c\/td\u003e\n\u003ctd\u003e3.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-A40\u003c\/td\u003e\n\u003ctd\u003e4.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-A45\u003c\/td\u003e\n\u003ctd\u003e4.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-A50\u003c\/td\u003e\n\u003ctd\u003e5.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-A55\u003c\/td\u003e\n\u003ctd\u003e5.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-A60\u003c\/td\u003e\n\u003ctd\u003e6.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-A65\u003c\/td\u003e\n\u003ctd\u003e6.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-A70\u003c\/td\u003e\n\u003ctd\u003e7.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-A80\u003c\/td\u003e\n\u003ctd\u003e8.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"1.00mm","offer_id":47551813812438,"sku":"910-A10","price":0.6,"currency_code":"USD","in_stock":true},{"title":"1.50mm","offer_id":47551813845206,"sku":"910-A15","price":0.65,"currency_code":"USD","in_stock":true},{"title":"2.00mm","offer_id":47551813877974,"sku":"910-A20","price":0.7,"currency_code":"USD","in_stock":true},{"title":"2.25mm","offer_id":47551813910742,"sku":"910-A22","price":0.8,"currency_code":"USD","in_stock":true},{"title":"2.50mm","offer_id":47551813943510,"sku":"910-A25","price":0.95,"currency_code":"USD","in_stock":true},{"title":"2.75mm","offer_id":47551813976278,"sku":"910-A27","price":1.5,"currency_code":"USD","in_stock":true},{"title":"3.00mm","offer_id":47551814009046,"sku":"910-A30","price":1.55,"currency_code":"USD","in_stock":true},{"title":"3.25mm","offer_id":47551814041814,"sku":"910-A32","price":2.25,"currency_code":"USD","in_stock":true},{"title":"3.50mm","offer_id":47551814074582,"sku":"910-A35","price":5.4,"currency_code":"USD","in_stock":true},{"title":"3.75mm","offer_id":47551814107350,"sku":"910-A37","price":2.7,"currency_code":"USD","in_stock":true},{"title":"4.00mm","offer_id":47551814140118,"sku":"910-A40","price":2.75,"currency_code":"USD","in_stock":true},{"title":"4.50mm","offer_id":47551814172886,"sku":"910-A45","price":2.8,"currency_code":"USD","in_stock":true},{"title":"5.00mm","offer_id":47551814205654,"sku":"910-A50","price":3.0,"currency_code":"USD","in_stock":true},{"title":"5.50mm","offer_id":47551814238422,"sku":"910-A55","price":3.1,"currency_code":"USD","in_stock":true},{"title":"6.00mm","offer_id":47551814271190,"sku":"910-A60","price":3.2,"currency_code":"USD","in_stock":true},{"title":"6.50mm","offer_id":47551814303958,"sku":"910-A65","price":3.4,"currency_code":"USD","in_stock":false},{"title":"7.00mm","offer_id":47551814336726,"sku":"910-A70","price":6.35,"currency_code":"USD","in_stock":true},{"title":"8.00mm","offer_id":47551814369494,"sku":"910-A80","price":6.45,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/round-faceted-imitation-pink-tourmaline-otto-frei.jpg?v=1719954588"},{"product_id":"round-faceted-imitation-citrine-synthetic-yellow-corundum-1-12mm","title":"Round Faceted Imitation Citrine","description":"\u003cp\u003eThese Round Faceted Imitation Citrine stones display the rich golden yellow color characteristic of natural citrine. Composed of synthetic yellow corundum, they are a durable citrine simulant with a hardness of 9 on the Mohs Scale — making them well-suited for everyday wear and professional metalsmithing applications. These stones are safe to fire in metal clay and safe for stone-in-place casting, offering jewelers and metalsmiths versatile setting options. Clean with warm, soapy water; use of an ultrasonic or steam cleaner is generally safe.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCitrine simulant\u003c\/strong\u003e displaying rich golden yellow color\u003c\/li\u003e\n\u003cli\u003eComposed of \u003cstrong\u003esynthetic yellow corundum\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eHardness of \u003cstrong\u003e9 on the Mohs Scale\u003c\/strong\u003e — suitable for everyday wear\u003c\/li\u003e\n\u003cli\u003eSafe to fire in \u003cstrong\u003emetal clay\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSafe for \u003cstrong\u003estone-in-place casting\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eCleanable with warm, soapy water; ultrasonic and steam cleaning generally safe\u003c\/li\u003e\n\u003cli\u003eCalibrated sizes — note dimensions may vary slightly ±0.10mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eCitrine Simulant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSynthetic Yellow Corundum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eRound Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eGolden Yellow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMohs Hardness\u003c\/th\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-B10\u003c\/td\u003e\n\u003ctd\u003e1.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-B15\u003c\/td\u003e\n\u003ctd\u003e1.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-B20\u003c\/td\u003e\n\u003ctd\u003e2.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-B22\u003c\/td\u003e\n\u003ctd\u003e2.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-B25\u003c\/td\u003e\n\u003ctd\u003e2.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-B27\u003c\/td\u003e\n\u003ctd\u003e2.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-B30\u003c\/td\u003e\n\u003ctd\u003e3.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-B32\u003c\/td\u003e\n\u003ctd\u003e3.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-B35\u003c\/td\u003e\n\u003ctd\u003e3.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-B37\u003c\/td\u003e\n\u003ctd\u003e3.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-B40\u003c\/td\u003e\n\u003ctd\u003e4.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-B45\u003c\/td\u003e\n\u003ctd\u003e4.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-B50\u003c\/td\u003e\n\u003ctd\u003e5.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-B55\u003c\/td\u003e\n\u003ctd\u003e5.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-B60\u003c\/td\u003e\n\u003ctd\u003e6.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-B65\u003c\/td\u003e\n\u003ctd\u003e6.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-B70\u003c\/td\u003e\n\u003ctd\u003e7.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-B80\u003c\/td\u003e\n\u003ctd\u003e8.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-B120\u003c\/td\u003e\n\u003ctd\u003e12mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"1.00mm","offer_id":47551813157078,"sku":"910-B10","price":1.05,"currency_code":"USD","in_stock":false},{"title":"1.50mm","offer_id":47551813189846,"sku":"910-B15","price":1.1,"currency_code":"USD","in_stock":true},{"title":"2.00mm","offer_id":47551813222614,"sku":"910-B20","price":1.5,"currency_code":"USD","in_stock":true},{"title":"2.25mm","offer_id":47551813255382,"sku":"910-B22","price":1.55,"currency_code":"USD","in_stock":true},{"title":"2.50mm","offer_id":47551813288150,"sku":"910-B25","price":1.6,"currency_code":"USD","in_stock":true},{"title":"2.75mm","offer_id":47551813320918,"sku":"910-B27","price":1.65,"currency_code":"USD","in_stock":true},{"title":"3.00mm","offer_id":47551813353686,"sku":"910-B30","price":2.4,"currency_code":"USD","in_stock":true},{"title":"3.25mm","offer_id":47551813386454,"sku":"910-B32","price":2.75,"currency_code":"USD","in_stock":true},{"title":"3.50mm","offer_id":47551813419222,"sku":"910-B35","price":5.5,"currency_code":"USD","in_stock":true},{"title":"3.75mm","offer_id":47551813451990,"sku":"910-B37","price":3.1,"currency_code":"USD","in_stock":false},{"title":"4.00mm","offer_id":47551813484758,"sku":"910-B40","price":3.2,"currency_code":"USD","in_stock":true},{"title":"4.50mm","offer_id":47551813517526,"sku":"910-B45","price":3.9,"currency_code":"USD","in_stock":true},{"title":"5.00mm","offer_id":47551813550294,"sku":"910-B50","price":4.2,"currency_code":"USD","in_stock":true},{"title":"5.50mm","offer_id":47551813583062,"sku":"910-B55","price":7.68,"currency_code":"USD","in_stock":true},{"title":"6.00mm","offer_id":47551813615830,"sku":"910-B60","price":8.0,"currency_code":"USD","in_stock":true},{"title":"6.50mm","offer_id":47551813648598,"sku":"910-B65","price":9.81,"currency_code":"USD","in_stock":true},{"title":"7.00mm","offer_id":47551813681366,"sku":"910-B70","price":12.06,"currency_code":"USD","in_stock":true},{"title":"8.00mm","offer_id":47551813714134,"sku":"910-B80","price":13.0,"currency_code":"USD","in_stock":true},{"title":"12mm","offer_id":47551813746902,"sku":"910-B120","price":15.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/round-faceted-imitation-citrine-otto-frei.jpg?v=1719954584"},{"product_id":"round-faceted-imitation-blue-zircon-synthetic-spinel-1-8mm","title":"Round Faceted Imitation Blue Zircon","description":"\u003cp\u003eThis lab-created blue Spinel delivers the rich ocean blue hue characteristic of zircon, without zircon's inherent brittleness. Composed of synthetic Spinel, these calibrated round faceted stones serve as an excellent zircon simulant for jewelry setting, casting, and resale applications. Available in a wide range of sizes from 1.00mm to 8.00mm, they are well-suited for a variety of mounting styles and production needs.\u003c\/p\u003e\n\n\u003cp\u003eThese stones are generally safe for stone-in-place casting, though some risk of damage can occur depending on casting conditions. For cleaning, warm soapy water is recommended. Use of an ultrasonic cleaner or steam cleaner is usually safe.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eZircon simulant\u003c\/strong\u003e with a vivid ocean blue color\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposed of synthetic Spinel\u003c\/strong\u003e — lab-created for consistency and durability\u003c\/li\u003e\n\u003cli\u003eReduced brittleness compared to natural zircon\u003c\/li\u003e\n\u003cli\u003eGenerally safe for stone-in-place casting\u003c\/li\u003e\n\u003cli\u003eCompatible with ultrasonic and steam cleaning in most applications\u003c\/li\u003e\n\u003cli\u003eWide size range from 1.00mm to 8.00mm for versatile use\u003c\/li\u003e\n\u003cli\u003eCalibrated sizing for reliable fit in standard settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eImitation \/ Simulant (Zircon Simulant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSynthetic Spinel (Lab-Created)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eRound Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eBlue (Ocean Blue \/ Zircon Blue)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCasting Compatibility\u003c\/th\u003e\n\u003ctd\u003eGenerally safe for stone-in-place casting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCleaning\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water; ultrasonic and steam usually safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-C10\u003c\/td\u003e\n\u003ctd\u003e1.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-C15\u003c\/td\u003e\n\u003ctd\u003e1.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-C20\u003c\/td\u003e\n\u003ctd\u003e2.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-C22\u003c\/td\u003e\n\u003ctd\u003e2.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-C25\u003c\/td\u003e\n\u003ctd\u003e2.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-C27\u003c\/td\u003e\n\u003ctd\u003e2.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-C30\u003c\/td\u003e\n\u003ctd\u003e3.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-C32\u003c\/td\u003e\n\u003ctd\u003e3.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-C35\u003c\/td\u003e\n\u003ctd\u003e3.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-C37\u003c\/td\u003e\n\u003ctd\u003e3.75mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-C40\u003c\/td\u003e\n\u003ctd\u003e4.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-C45\u003c\/td\u003e\n\u003ctd\u003e4.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-C50\u003c\/td\u003e\n\u003ctd\u003e5.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-C55\u003c\/td\u003e\n\u003ctd\u003e5.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-C60\u003c\/td\u003e\n\u003ctd\u003e6.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-C65\u003c\/td\u003e\n\u003ctd\u003e6.50mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-C70\u003c\/td\u003e\n\u003ctd\u003e7.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e910-C80\u003c\/td\u003e\n\u003ctd\u003e8.00mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCalibrated gemstone sizes may vary slightly ±0.10mm.\u003c\/li\u003e\n\u003cli\u003eWhile generally safe for stone-in-place casting, some risk of damage can occur; test under your specific casting conditions.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"1.00mm","offer_id":47551814467798,"sku":"910-C10","price":0.6,"currency_code":"USD","in_stock":true},{"title":"1.50mm","offer_id":47551814926550,"sku":"910-C15","price":0.65,"currency_code":"USD","in_stock":true},{"title":"2.00mm","offer_id":47551814959318,"sku":"910-C20","price":0.75,"currency_code":"USD","in_stock":true},{"title":"2.25mm","offer_id":47551814500566,"sku":"910-C22","price":2.1,"currency_code":"USD","in_stock":true},{"title":"2.50mm","offer_id":47551814992086,"sku":"910-C25","price":1.8,"currency_code":"USD","in_stock":true},{"title":"2.75mm","offer_id":47551814533334,"sku":"910-C27","price":2.55,"currency_code":"USD","in_stock":true},{"title":"3.00mm","offer_id":47551814566102,"sku":"910-C30","price":2.65,"currency_code":"USD","in_stock":true},{"title":"3.25mm","offer_id":47551814598870,"sku":"910-C32","price":2.9,"currency_code":"USD","in_stock":true},{"title":"3.50mm","offer_id":47551814631638,"sku":"910-C35","price":3.3,"currency_code":"USD","in_stock":true},{"title":"3.75mm","offer_id":47551814664406,"sku":"910-C37","price":3.33,"currency_code":"USD","in_stock":true},{"title":"4.00mm","offer_id":47551814697174,"sku":"910-C40","price":3.9,"currency_code":"USD","in_stock":true},{"title":"4.50mm","offer_id":47551814729942,"sku":"910-C45","price":4.0,"currency_code":"USD","in_stock":true},{"title":"5.00mm","offer_id":47551814762710,"sku":"910-C50","price":4.5,"currency_code":"USD","in_stock":true},{"title":"5.50mm","offer_id":47551815024854,"sku":"910-C55","price":5.0,"currency_code":"USD","in_stock":true},{"title":"6.00mm","offer_id":47551814795478,"sku":"910-C60","price":6.1,"currency_code":"USD","in_stock":true},{"title":"6.50mm","offer_id":47551814828246,"sku":"910-C65","price":7.95,"currency_code":"USD","in_stock":true},{"title":"7.00mm","offer_id":47551814861014,"sku":"910-C70","price":9.0,"currency_code":"USD","in_stock":true},{"title":"8.00mm","offer_id":47551814893782,"sku":"910-C80","price":14.58,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/round-faceted-imitation-blue-zircon-otto-frei.jpg?v=1719954584"},{"product_id":"square-faceted-red-garnet-simulant-synthetic-corundum-3x3-4x4mm","title":"Square Faceted Imitation Red Garnet","description":"\u003cp\u003eThis square faceted red garnet simulant is composed of synthetic red corundum, displaying a deep, vivid red color that closely mimics the appearance of natural garnet. With a hardness of 9 on the Mohs scale, these stones offer exceptional durability suitable for everyday wear. Red garnet is the birthstone of January, making these stones a popular choice for birthstone jewelry and custom designs.\u003c\/p\u003e\n\u003cp\u003eThese calibrated stones are safe to fire in metal clay and suitable for stone-in-place casting, giving metalsmiths and jewelers versatile setting options. Calibrated gemstone sizes may vary slightly by +\/– 0.10mm.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGarnet simulant composed of \u003cstrong\u003esynthetic red corundum\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDeep, vivid red color with faceted square cut\u003c\/li\u003e\n\u003cli\u003eMohs hardness rating of \u003cstrong\u003e9\u003c\/strong\u003e — highly durable for everyday wear\u003c\/li\u003e\n\u003cli\u003eSafe to fire in \u003cstrong\u003emetal clay\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSafe for \u003cstrong\u003estone-in-place casting\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eJanuary birthstone alternative\u003c\/li\u003e\n\u003cli\u003eClean with warm, soapy water; ultrasonic and steam cleaning are generally safe\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eGarnet Simulant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSynthetic Red Corundum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eDeep Vivid Red\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eSquare Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMohs Hardness\u003c\/th\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/– 0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBirthstone Month\u003c\/th\u003e\n\u003ctd\u003eJanuary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-106\u003c\/td\u003e\n\u003ctd\u003e3x3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-108\u003c\/td\u003e\n\u003ctd\u003e4x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"3x3mm","offer_id":47551815057622,"sku":"913-106","price":2.45,"currency_code":"USD","in_stock":true},{"title":"4x4mm","offer_id":47551815090390,"sku":"913-108","price":5.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/square-faceted-imitation-red-garnet-otto-frei.jpg?v=1719954584"},{"product_id":"square-faceted-imitation-amethyst-spinel-doublet-1-8mm","title":"Square Faceted Imitation Amethyst","description":"\u003cp\u003eThis imitation amethyst is composed of a lab-created synthetic spinel doublet exhibiting a light to medium purple color. The doublet construction consists of two layers of synthetic spinel bonded together with a tinted adhesive, producing a consistent, even purple hue that mimics the rich color of natural amethyst without its characteristic color zoning. These assembled gemstones are well-suited for use in finished jewelry, settings, and resale applications where color consistency and value are priorities.\u003c\/p\u003e\u003cp\u003eCalibrated gemstone sizes may vary slightly +\/– 0.10mm. Clean with warm, soapy water only. Do not apply direct heat, as heat may damage the adhesive bond within the doublet construction.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmethyst simulant\u003c\/strong\u003e with light to medium purple color\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynthetic spinel doublet\u003c\/strong\u003e construction — two spinel layers bonded with tinted adhesive\u003c\/li\u003e\n\u003cli\u003eConsistent color throughout — no characteristic color zoning of natural amethyst\u003c\/li\u003e\n\u003cli\u003eCalibrated sizing for use in standard settings\u003c\/li\u003e\n\u003cli\u003eAvailable in a wide range of sizes from 1.0mm to 8.0mm\u003c\/li\u003e\n\u003cli\u003eSuitable for finished jewelry and resale\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eImitation Amethyst (Amethyst Simulant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eSynthetic Spinel Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eLight to Medium Purple\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eSquare Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Range\u003c\/th\u003e\n\u003ctd\u003e1.0mm – 8.0mm (18 sizes available)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/– 0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCare\u003c\/th\u003e\n\u003ctd\u003eClean with warm, soapy water; avoid direct heat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-206\u003c\/td\u003e\n\u003ctd\u003e3x3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-208\u003c\/td\u003e\n\u003ctd\u003e4x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"3x3mm","offer_id":47551815319766,"sku":"913-206","price":5.0,"currency_code":"USD","in_stock":true},{"title":"4x4mm","offer_id":47551815286998,"sku":"913-208","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/square-faceted-imitation-amethyst-otto-frei.jpg?v=1719954584"},{"product_id":"square-faceted-imitation-aquamarine-blue-spinel-3x3-4x4mm","title":"Square Faceted Imitation Aquamarine","description":"\u003cp\u003eSimulating the soft, light sky blue of natural Aquamarine, these square faceted stones are composed of lab-created Blue Spinel. Offered in calibrated sizes, they are suitable for a wide range of jewelry applications and are generally safe for stone-in-place casting. Clean with warm soapy water; ultrasonic and steam cleaning are usually safe. Calibrated gemstone sizes may vary slightly +\/–0.10mm.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquamarine simulant\u003c\/strong\u003e — replicates the light sky blue color of natural Aquamarine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposed of synthetic Blue Spinel\u003c\/strong\u003e — lab-created for consistent color and clarity\u003c\/li\u003e\n\u003cli\u003eSquare faceted cut for brilliant light return\u003c\/li\u003e\n\u003cli\u003eGenerally safe for stone-in-place casting, though some risk of damage may occur\u003c\/li\u003e\n\u003cli\u003eCalibrated sizing for reliable fit in standard settings\u003c\/li\u003e\n\u003cli\u003eSafe for ultrasonic and steam cleaning; warm soapy water recommended\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eLab-Created Blue Spinel (Aquamarine Simulant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eSquare Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eLight Sky Blue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/–0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-306\u003c\/td\u003e\n\u003ctd\u003e3x3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-308\u003c\/td\u003e\n\u003ctd\u003e4x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"3x3mm","offer_id":47551815450838,"sku":"913-306","price":2.55,"currency_code":"USD","in_stock":true},{"title":"4x4mm","offer_id":47551815483606,"sku":"913-308","price":4.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/square-faceted-imitation-aquamarine-otto-frei.jpg?v=1719954584"},{"product_id":"square-faceted-imitation-emerald-synthetic-spinel-doublet","title":"Square Faceted Imitation Emerald","description":"\u003cp\u003e\u003cstrong\u003eDisplaying a rich emerald green, this Synthetic Spinel doublet is ideal as a May birthstone simulant.\u003c\/strong\u003e Each stone is composed of two layers of Synthetic Spinel bonded together with tinted adhesive, producing a vivid green color that closely resembles natural emerald. These square faceted stones are well-suited for use in finished jewelry, birthstone pieces, and resale applications.\u003c\/p\u003e\u003cp\u003eClean with warm, soapy water only. Do not apply direct heat, as the adhesive bond between layers may be compromised by elevated temperatures. Calibrated gemstone sizes may vary slightly ±0.10mm.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRich emerald green color — suitable as a May birthstone simulant\u003c\/li\u003e\n\u003cli\u003eConstructed as a Synthetic Spinel doublet — two spinel layers bonded with tinted adhesive\u003c\/li\u003e\n\u003cli\u003eSquare faceted cut for brilliant light return and precise setting\u003c\/li\u003e\n\u003cli\u003eCalibrated sizing for consistent fit in standard settings\u003c\/li\u003e\n\u003cli\u003eAvoid direct heat to preserve the adhesive bond\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eSynthetic Spinel Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eTwo layers of Synthetic Spinel bonded with tinted adhesive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eSquare Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eEmerald Green\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBirthstone Month\u003c\/th\u003e\n\u003ctd\u003eMay (Simulant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCare\u003c\/th\u003e\n\u003ctd\u003eClean with warm, soapy water; avoid direct heat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-506\u003c\/td\u003e\n\u003ctd\u003e3x3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-508\u003c\/td\u003e\n\u003ctd\u003e4x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"3x3mm","offer_id":47551815516374,"sku":"913-506","price":3.5,"currency_code":"USD","in_stock":true},{"title":"4x4mm","offer_id":47551815549142,"sku":"913-508","price":4.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/square-faceted-imitation-emerald-otto-frei.jpg?v=1719954582"},{"product_id":"square-faceted-imitation-alexandrite-synthetic-corundum-3x3-4x4mm","title":"Square Faceted Imitation Alexandrite","description":"\u003cp\u003e\u003cstrong\u003eSquare Faceted Imitation Alexandrite\u003c\/strong\u003e is an alexandrite simulant crafted from lab-created synthetic purple corundum, displaying a distinctive grayish purple color. With a hardness of 9 on the Mohs Scale, these stones offer excellent durability suited to everyday wear. They are calibrated for consistent sizing, though measurements may vary slightly ±0.10mm.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlexandrite simulant\u003c\/strong\u003e composed of synthetic purple corundum\u003c\/li\u003e\n\u003cli\u003eGrayish purple color with the visual character of alexandrite\u003c\/li\u003e\n\u003cli\u003eMohs hardness rating of 9—highly durable for everyday wear\u003c\/li\u003e\n\u003cli\u003eSafe to fire in metal clay\u003c\/li\u003e\n\u003cli\u003eSafe for stone-in-place casting\u003c\/li\u003e\n\u003cli\u003eCalibrated sizing—may vary slightly ±0.10mm\u003c\/li\u003e\n\u003cli\u003eClean with warm, soapy water; ultrasonic and steam cleaning generally safe\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eAlexandrite Simulant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSynthetic Purple Corundum (Lab-Created)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eGrayish Purple\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eSquare Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMohs Hardness\u003c\/th\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCasting Compatible\u003c\/th\u003e\n\u003ctd\u003eYes—stone-in-place casting safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMetal Clay Compatible\u003c\/th\u003e\n\u003ctd\u003eYes—safe to fire in metal clay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCleaning\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water; ultrasonic and steam generally safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-606\u003c\/td\u003e\n\u003ctd\u003e3x3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-608\u003c\/td\u003e\n\u003ctd\u003e4x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"3x3mm","offer_id":47551815712982,"sku":"913-606","price":1.95,"currency_code":"USD","in_stock":true},{"title":"4x4mm","offer_id":47551815745750,"sku":"913-608","price":4.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/square-faceted-imitation-alexandrite-otto-frei.jpg?v=1719954582"},{"product_id":"square-faceted-lab-created-ruby-3x3mm-4x4mm","title":"Square Faceted Lab-Created Ruby","description":"\u003cp\u003eComposed of man-made corundum with the same chemical composition and durability as natural ruby, this square faceted lab-created ruby offers excellent clarity with vivid, even coloration. Known as the \"King of Gems\" in Sanskrit, ruby is one of the most desired and valuable gemstones, prized since biblical times.\u003c\/p\u003e\u003cp\u003eRuby is the most valuable variety of corundum and commands the highest per-carat price of any colored stone. Color ranges from orangy red to purplish red, with pure, vivid red to slightly purplish red representing the highest valued hue. These lab-created stones deliver consistent color and clarity that rival natural specimens, making them an excellent choice for finished jewelry, metal clay work, and stone-in-place casting applications.\u003c\/p\u003e\u003cp\u003eClean with warm, soapy water. Use of an ultrasonic or steam cleaner is usually safe.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVivid medium to dark purplish red color, eye-clean\u003c\/li\u003e\n\u003cli\u003eMan-made corundum with the same chemical composition and durability as natural ruby\u003c\/li\u003e\n\u003cli\u003eSquare faceted cut for versatile setting options\u003c\/li\u003e\n\u003cli\u003eTreatment: Synthetic\u003c\/li\u003e\n\u003cli\u003eSafe to fire in metal clay\u003c\/li\u003e\n\u003cli\u003eSafe for stone-in-place casting\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eLab-Created Ruby (Synthetic Corundum)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eSquare Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eVivid medium to dark purplish red\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClarity\u003c\/th\u003e\n\u003ctd\u003eEye-clean\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTreatment\u003c\/th\u003e\n\u003ctd\u003eSynthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBirthstone Month\u003c\/th\u003e\n\u003ctd\u003eJuly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCare\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water; ultrasonic and steam cleaner usually safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-706\u003c\/td\u003e\n\u003ctd\u003e3x3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-708\u003c\/td\u003e\n\u003ctd\u003e4x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"3x3mm","offer_id":47551815844054,"sku":"913-706","price":2.61,"currency_code":"USD","in_stock":true},{"title":"4x4mm","offer_id":47551815876822,"sku":"913-708","price":4.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/square-faceted-lab-created-ruby-otto-frei.jpg?v=1719954582"},{"product_id":"square-faceted-imitation-peridot-spinel-doublet-3x3-4x4mm","title":"Square Faceted Imitation Peridot","description":"\u003cp\u003eDisplaying the characteristic lime-green of peridot, these square faceted imitation peridot stones offer an affordable simulant option for jewelry setting and design work. Each stone is a lab-created yellow-green spinel doublet, composed of two layers of synthetic spinel bonded together with tinted adhesive to achieve the vivid color associated with natural peridot.\u003c\/p\u003e\u003cp\u003eThese calibrated stones are well-suited for use in standard square settings. As with all doublet constructions, care should be taken during wear and cleaning—clean with warm, soapy water only and avoid exposure to direct heat.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eCalibrated gemstone sizes may vary slightly ±0.10mm.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePeridot simulant with characteristic lime-green color\u003c\/li\u003e\n\u003cli\u003eConstructed as a synthetic spinel doublet—two layers of spinel bonded with tinted adhesive\u003c\/li\u003e\n\u003cli\u003eSquare faceted shape for use in standard square settings\u003c\/li\u003e\n\u003cli\u003eCalibrated sizing for consistent fit\u003c\/li\u003e\n\u003cli\u003eClean with warm, soapy water only\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvoid direct heat\u003c\/strong\u003e—heat can damage the doublet bond or adhesive layer\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eImitation Peridot Simulant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eLab-Created Yellow-Green Spinel Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eSquare Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCare\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water only; avoid direct heat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-806\u003c\/td\u003e\n\u003ctd\u003e3×3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-808\u003c\/td\u003e\n\u003ctd\u003e4×4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"3x3mm","offer_id":47551816007894,"sku":"913-806","price":3.0,"currency_code":"USD","in_stock":true},{"title":"4x4mm","offer_id":47551816040662,"sku":"913-808","price":3.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/square-faceted-imitation-peridot-otto-frei.jpg?v=1719954582"},{"product_id":"square-faceted-imitation-sapphire-lab-created-blue-spinel","title":"Square Faceted Imitation Sapphire","description":"\u003cp\u003eMimicking the rich royal blue of natural sapphire, these square faceted imitation sapphires are composed of lab-created blue spinel. Offering an affordable alternative to natural corundum, they deliver consistent color and clarity in calibrated sizes suited for a wide range of jewelry applications. These stones are generally safe for stone-in-place casting, though some risk of damage may occur. Clean with warm, soapy water; ultrasonic and steam cleaning are generally safe. Note that calibrated gemstone sizes may vary slightly by +\/– 0.10 mm.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSapphire simulant\u003c\/strong\u003e with rich royal blue color\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposed of synthetic spinel\u003c\/strong\u003e (lab-created blue spinel)\u003c\/li\u003e\n\u003cli\u003eGenerally safe for stone-in-place casting\u003c\/li\u003e\n\u003cli\u003eCompatible with ultrasonic and steam cleaning\u003c\/li\u003e\n\u003cli\u003eCalibrated sizes for consistent fit; may vary by +\/– 0.10 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eImitation Sapphire (Sapphire Simulant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition\u003c\/th\u003e\n\u003ctd\u003eLab-Created Blue Spinel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eSquare Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/– 0.10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCasting\u003c\/th\u003e\n\u003ctd\u003eGenerally safe for stone-in-place casting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCleaning\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water; ultrasonic and steam generally safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-906\u003c\/td\u003e\n\u003ctd\u003e3x3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-908\u003c\/td\u003e\n\u003ctd\u003e4x4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"3x3mm","offer_id":47551816073430,"sku":"913-906","price":2.2,"currency_code":"USD","in_stock":true},{"title":"4x4mm","offer_id":47551816106198,"sku":"913-908","price":4.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/square-faceted-imitation-sapphire-otto-frei.jpg?v=1719954582"},{"product_id":"square-faceted-imitation-pink-tourmaline-synthetic-corundum-3x3-4x4mm","title":"Square Faceted Imitation Pink Tourmaline","description":"\u003cp\u003eThis Pink Tourmaline simulant is composed of lab-created synthetic pink corundum, offering a rich rose pink hue that closely resembles natural pink tourmaline. With a hardness rating of 9 on the Mohs Scale, it provides excellent durability suitable for everyday wear. These calibrated square faceted stones are safe to fire in metal clay and safe for stone-in-place casting, making them a versatile choice for a wide range of metalsmithing and jewelry-making applications. Clean with warm, soapy water only. Avoid ultrasonic and steam cleaners. \u003cem\u003eCalibrated gemstone sizes may vary slightly ±0.10mm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePink tourmaline simulant with a rose pink hue\u003c\/li\u003e\n\u003cli\u003eComposed of synthetic pink corundum\u003c\/li\u003e\n\u003cli\u003eHardness of 9 on the Mohs Scale — durable for everyday wear\u003c\/li\u003e\n\u003cli\u003eSafe to fire in metal clay\u003c\/li\u003e\n\u003cli\u003eSafe for stone-in-place casting\u003c\/li\u003e\n\u003cli\u003eSquare faceted cut\u003c\/li\u003e\n\u003cli\u003eClean with warm, soapy water; avoid ultrasonic and steam cleaners\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003ePink Tourmaline Simulant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSynthetic Pink Corundum (Lab-Created)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eSquare Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eRose Pink\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMohs Hardness\u003c\/th\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCasting Compatible\u003c\/th\u003e\n\u003ctd\u003eYes — stone-in-place casting safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMetal Clay Compatible\u003c\/th\u003e\n\u003ctd\u003eYes — safe to fire in metal clay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCare\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water only; no ultrasonic or steam cleaners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-A06\u003c\/td\u003e\n\u003ctd\u003e3x3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-A08\u003c\/td\u003e\n\u003ctd\u003e4x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"3x3mm","offer_id":47551816237270,"sku":"913-A06","price":2.9,"currency_code":"USD","in_stock":true},{"title":"4x4mm","offer_id":47551816270038,"sku":"913-A08","price":3.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/square-faceted-imitation-pink-tourmaline-otto-frei.jpg?v=1719954580"},{"product_id":"square-faceted-imitation-citrine-synthetic-yellow-corundum","title":"Square Faceted Imitation Citrine","description":"\u003cp\u003eDisplaying the rich golden yellow of citrine, this simulant is composed of lab-created synthetic yellow corundum. With a hardness of 9 on the Mohs Scale, it offers excellent durability suitable for everyday wear. This stone is safe to fire in metal clay and safe for stone-in-place casting, making it a versatile choice for a wide range of jewelry fabrication techniques. Clean with warm, soapy water; ultrasonic and steam cleaning are generally safe.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eCalibrated gemstone sizes may vary slightly +\/– 0.10mm.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCitrine simulant with rich golden yellow color\u003c\/li\u003e\n\u003cli\u003eComposed of synthetic yellow corundum\u003c\/li\u003e\n\u003cli\u003eHardness of 9 on the Mohs Scale for excellent durability\u003c\/li\u003e\n\u003cli\u003eSafe to fire in metal clay\u003c\/li\u003e\n\u003cli\u003eSafe for stone-in-place casting\u003c\/li\u003e\n\u003cli\u003eSuitable for everyday wear\u003c\/li\u003e\n\u003cli\u003eClean with warm, soapy water; ultrasonic and steam cleaning are generally safe\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eCitrine Simulant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSynthetic Yellow Corundum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eSquare Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMohs Hardness\u003c\/th\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/– 0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-B06\u003c\/td\u003e\n\u003ctd\u003e3x3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-B08\u003c\/td\u003e\n\u003ctd\u003e4x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"3x3mm","offer_id":47551816499414,"sku":"913-B06","price":5.0,"currency_code":"USD","in_stock":true},{"title":"4x4mm","offer_id":47551816532182,"sku":"913-B08","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/square-faceted-imitation-citrine-otto-frei.jpg?v=1719954580"},{"product_id":"square-faceted-imitation-blue-zircon-synthetic-spinel","title":"Square Faceted Imitation Blue Zircon","description":"\u003cp\u003eThis lab-created blue Spinel displays the ocean blue shade of zircon without its characteristic brittleness. Composed of synthetic Spinel, these square faceted stones offer the rich color of natural blue zircon in a more durable, workable material. This stone is usually safe to cast in place, though some risk of damage can occur. Clean with warm, soapy water. Use of an ultrasonic or steam cleaner is usually safe.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eCalibrated gemstone sizes may vary slightly +\/– 0.10mm.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eZircon simulant\u003c\/strong\u003e — delivers the signature ocean blue color of natural zircon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposed of synthetic Spinel\u003c\/strong\u003e — offers improved durability compared to natural zircon\u003c\/li\u003e\n\u003cli\u003eUsually safe for stone-in-place casting\u003c\/li\u003e\n\u003cli\u003eCompatible with ultrasonic and steam cleaning in most applications\u003c\/li\u003e\n\u003cli\u003eSquare faceted cut for versatile jewelry settings\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eSquare Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSynthetic Spinel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eImitation Blue Zircon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/– 0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-C06\u003c\/td\u003e\n\u003ctd\u003e3x3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e913-C08\u003c\/td\u003e\n\u003ctd\u003e4x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"3x3mm","offer_id":47551816663254,"sku":"913-C06","price":3.7,"currency_code":"USD","in_stock":true},{"title":"4x4mm","offer_id":47551816696022,"sku":"913-C08","price":4.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/square-faceted-imitation-blue-zircon-otto-frei.jpg?v=1719954580"},{"product_id":"cushion-faceted-imitation-emerald-synthetic-spinel-doublet-6x4-12x10mm","title":"Cushion Faceted Imitation Emerald","description":"\u003cp\u003eDisplaying a rich emerald green, this synthetic spinel doublet is an ideal emerald simulant and a popular choice for May birthstone jewelry. Each stone is composed of two layers of synthetic spinel bonded together with a tinted adhesive to achieve its distinctive color depth. Clean with warm, soapy water only — do not apply heat or use ultrasonic or steam cleaning methods. Calibrated gemstone sizes may vary slightly ±0.10mm.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmerald simulant\u003c\/strong\u003e with rich, saturated green color\u003c\/li\u003e\n\u003cli\u003eComposed of a \u003cstrong\u003esynthetic spinel doublet\u003c\/strong\u003e — two layers of spinel bonded with tinted adhesive\u003c\/li\u003e\n\u003cli\u003eCushion faceted cut for excellent light return and visual appeal\u003c\/li\u003e\n\u003cli\u003eSuitable for May birthstone jewelry applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvoid direct heat\u003c\/strong\u003e — heat can damage the adhesive bond between layers\u003c\/li\u003e\n\u003cli\u003eCalibrated sizes may vary slightly ±0.10mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eSynthetic Spinel Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eEmerald Green\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eCushion Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eTwo layers of synthetic spinel bonded with tinted adhesive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCare\u003c\/th\u003e\n\u003ctd\u003eClean with warm, soapy water; avoid direct heat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e914-517\u003c\/td\u003e\n\u003ctd\u003e6x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e914-522\u003c\/td\u003e\n\u003ctd\u003e7x5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e914-529\u003c\/td\u003e\n\u003ctd\u003e8x6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e914-535\u003c\/td\u003e\n\u003ctd\u003e9x7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e914-540\u003c\/td\u003e\n\u003ctd\u003e10x8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e914-544\u003c\/td\u003e\n\u003ctd\u003e11x9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e914-548\u003c\/td\u003e\n\u003ctd\u003e12x10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"6x4mm","offer_id":47551816925398,"sku":"914-517","price":5.46,"currency_code":"USD","in_stock":true},{"title":"7x5mm","offer_id":47551816728790,"sku":"914-522","price":7.0,"currency_code":"USD","in_stock":true},{"title":"8x6mm","offer_id":47551816761558,"sku":"914-529","price":6.94,"currency_code":"USD","in_stock":true},{"title":"9x7mm","offer_id":47551816794326,"sku":"914-535","price":10.05,"currency_code":"USD","in_stock":true},{"title":"10x8mm","offer_id":47551816827094,"sku":"914-540","price":18.75,"currency_code":"USD","in_stock":true},{"title":"11x9mm","offer_id":47551816859862,"sku":"914-544","price":28.5,"currency_code":"USD","in_stock":true},{"title":"12x10mm","offer_id":47551816892630,"sku":"914-548","price":29.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/cushion-faceted-imitation-emerald-otto-frei.jpg?v=1719954581"},{"product_id":"emerald-cut-faceted-imitation-red-garnet-simulant-synthetic-corundum","title":"Emerald Cut Faceted Imitation Red Garnet","description":"\u003cp\u003eThis garnet simulant is crafted from lab-created synthetic red corundum, displaying a deep, vivid red color characteristic of natural garnet. With a hardness of 9 on the Mohs Scale, these stones offer exceptional durability suitable for everyday wear. The emerald cut faceted profile provides clean, geometric lines that complement a wide range of settings. Garnet is the traditional birthstone for January.\u003c\/p\u003e\u003cp\u003eThese calibrated stones are safe to fire in metal clay and approved for stone-in-place casting, making them a practical choice for metalsmiths and production jewelers. Clean with warm, soapy water; ultrasonic and steam cleaning are generally safe. \u003cem\u003eCalibrated gemstone sizes may vary slightly +\/– 0.10mm.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGarnet simulant\u003c\/strong\u003e composed of synthetic red corundum\u003c\/li\u003e\n\u003cli\u003eHardness of 9 on the Mohs Scale — durable for everyday wear\u003c\/li\u003e\n\u003cli\u003eDeep, vivid red color with emerald cut faceted profile\u003c\/li\u003e\n\u003cli\u003eSafe to fire in metal clay\u003c\/li\u003e\n\u003cli\u003eSafe for stone-in-place casting\u003c\/li\u003e\n\u003cli\u003eJanuary birthstone alternative\u003c\/li\u003e\n\u003cli\u003eUltrasonic and steam cleaning generally safe\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSynthetic Red Corundum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eGarnet Simulant (Lab-Created)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eEmerald Cut, Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMohs Hardness\u003c\/th\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBirthstone Month\u003c\/th\u003e\n\u003ctd\u003eJanuary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/– 0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMetal Clay Safe\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStone-in-Place Casting\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-117\u003c\/td\u003e\n\u003ctd\u003e6x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-122\u003c\/td\u003e\n\u003ctd\u003e7x5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-129\u003c\/td\u003e\n\u003ctd\u003e8x6.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-135\u003c\/td\u003e\n\u003ctd\u003e9x7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-140\u003c\/td\u003e\n\u003ctd\u003e10x8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-148\u003c\/td\u003e\n\u003ctd\u003e12x10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"6x4mm","offer_id":47551817089238,"sku":"915-117","price":3.7,"currency_code":"USD","in_stock":false},{"title":"7x5mm","offer_id":47551817122006,"sku":"915-122","price":4.0,"currency_code":"USD","in_stock":true},{"title":"8x6.5mm","offer_id":47551817154774,"sku":"915-129","price":4.95,"currency_code":"USD","in_stock":true},{"title":"9x7mm","offer_id":47551817187542,"sku":"915-135","price":9.0,"currency_code":"USD","in_stock":true},{"title":"10x8mm","offer_id":47551817220310,"sku":"915-140","price":10.85,"currency_code":"USD","in_stock":true},{"title":"12x10mm","offer_id":47551817253078,"sku":"915-148","price":12.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/emerald-cut-faceted-imitation-red-garnet-otto-frei.jpg?v=1719954580"},{"product_id":"emerald-cut-imitation-amethyst-spinel-doublet","title":"Emerald Cut Faceted Imitation Amethyst","description":"\u003cp\u003eThis emerald cut faceted imitation amethyst is composed of a lab-created synthetic spinel doublet, exhibiting a light to medium purple color. The doublet construction consists of two layers of synthetic spinel bonded together with a tinted adhesive, creating an assembled gemstone that mimics the rich purple hue of natural amethyst without its characteristic color zoning.\u003c\/p\u003e\u003cp\u003eThese calibrated stones are well-suited for jewelry production, settings work, and resale. Clean with warm, soapy water only. Do not apply heat or expose to high temperatures, as heat can damage the adhesive bond in the doublet construction. Calibrated gemstone sizes may vary slightly +\/–0.10mm.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmethyst simulant\u003c\/strong\u003e with light to medium purple color\u003c\/li\u003e\n\u003cli\u003eComposed of a \u003cstrong\u003esynthetic spinel doublet\u003c\/strong\u003e — two spinel layers bonded with tinted adhesive\u003c\/li\u003e\n\u003cli\u003eEmerald cut faceted profile\u003c\/li\u003e\n\u003cli\u003eMimics the rich purple of amethyst without characteristic color zoning\u003c\/li\u003e\n\u003cli\u003eCalibrated sizing with tolerance of +\/–0.10mm\u003c\/li\u003e\n\u003cli\u003eSuitable for jewelry production and resale\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eImitation Amethyst (Amethyst Simulant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eSynthetic Spinel Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eEmerald Cut, Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eLight to Medium Purple\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/–0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCare\u003c\/th\u003e\n\u003ctd\u003eClean with warm, soapy water; avoid direct heat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-217\u003c\/td\u003e\n\u003ctd\u003e6x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-222\u003c\/td\u003e\n\u003ctd\u003e7x5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-229\u003c\/td\u003e\n\u003ctd\u003e8x6.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-235\u003c\/td\u003e\n\u003ctd\u003e9x7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-240\u003c\/td\u003e\n\u003ctd\u003e10x8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-248\u003c\/td\u003e\n\u003ctd\u003e12x10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"6x4mm","offer_id":47551817285846,"sku":"915-217","price":7.11,"currency_code":"USD","in_stock":true},{"title":"7x5mm","offer_id":47551817318614,"sku":"915-222","price":9.72,"currency_code":"USD","in_stock":true},{"title":"8x6.5mm","offer_id":47551817351382,"sku":"915-229","price":10.41,"currency_code":"USD","in_stock":true},{"title":"9x7mm","offer_id":47551817384150,"sku":"915-235","price":12.33,"currency_code":"USD","in_stock":false},{"title":"10x8mm","offer_id":47551817416918,"sku":"915-240","price":27.0,"currency_code":"USD","in_stock":true},{"title":"12x10mm","offer_id":47551817449686,"sku":"915-248","price":30.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/emerald-cut-faceted-imitation-amethyst-otto-frei.jpg?v=1719954576"},{"product_id":"emerald-cut-imitation-aquamarine-synthetic-spinel-6x4-12x10mm","title":"Emerald Cut Imitation Aquamarine","description":"\u003cp\u003eSimulating the light sky blue of natural aquamarine, these emerald cut stones are composed of lab-created blue spinel. Available in a range of calibrated sizes, they offer a cost-effective alternative to natural aquamarine for use in finished jewelry, custom settings, and casting projects.\u003c\/p\u003e\n\n\u003cp\u003eThese stones are generally safe for stone-in-place casting, though some risk of damage may occur depending on casting conditions. Calibrated gemstone sizes may vary slightly ±0.10mm.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAquamarine simulant\u003c\/strong\u003e — replicates the light sky blue color of natural aquamarine\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposed of synthetic spinel\u003c\/strong\u003e — lab-created material for consistent color and clarity\u003c\/li\u003e\n\u003cli\u003eEmerald cut faceting for refined, professional appearance\u003c\/li\u003e\n\u003cli\u003eGenerally safe for stone-in-place casting\u003c\/li\u003e\n\u003cli\u003eClean with warm, soapy water; ultrasonic and steam cleaning usually safe\u003c\/li\u003e\n\u003cli\u003eCalibrated sizing for reliable fit in standard settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eAquamarine Simulant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSynthetic Spinel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eEmerald Cut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eLight Sky Blue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCasting\u003c\/th\u003e\n\u003ctd\u003eGenerally safe for stone-in-place casting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCleaning\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water; ultrasonic and steam usually safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-317\u003c\/td\u003e\n\u003ctd\u003e6x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-322\u003c\/td\u003e\n\u003ctd\u003e7x5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-329\u003c\/td\u003e\n\u003ctd\u003e8x6.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-335\u003c\/td\u003e\n\u003ctd\u003e9x7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-340\u003c\/td\u003e\n\u003ctd\u003e10x8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-348\u003c\/td\u003e\n\u003ctd\u003e12x10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"6x4mm","offer_id":47551817547990,"sku":"915-317","price":2.9,"currency_code":"USD","in_stock":true},{"title":"7x5mm","offer_id":47551817580758,"sku":"915-322","price":4.2,"currency_code":"USD","in_stock":true},{"title":"8x6.5mm","offer_id":47551817613526,"sku":"915-329","price":6.15,"currency_code":"USD","in_stock":false},{"title":"9x7mm","offer_id":47551817646294,"sku":"915-335","price":7.0,"currency_code":"USD","in_stock":false},{"title":"10x8mm","offer_id":47551817679062,"sku":"915-340","price":8.34,"currency_code":"USD","in_stock":true},{"title":"12x10mm","offer_id":47551817711830,"sku":"915-348","price":13.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/emerald-cut-imitation-aquamarine-otto-frei.jpg?v=1719954577"},{"product_id":"emerald-cut-faceted-imitation-emerald-synthetic-spinel-doublet-6x4-12x10mm","title":"Emerald Cut Faceted Imitation Emerald","description":"\u003cp\u003e\u003cstrong\u003eDisplaying a rich emerald green, this Synthetic Spinel doublet is an ideal emerald simulant and a perfect choice for May birthstone jewelry.\u003c\/strong\u003e Each stone is composed of two layers of Synthetic Spinel bonded together with tinted adhesive, producing a deep, consistent color that closely mimics the appearance of natural emerald. The emerald cut faceting enhances the stone's brilliance and makes it well suited for a wide range of jewelry settings.\u003c\/p\u003e\n\n\u003cp\u003eClean with warm, soapy water only. Do not apply heat or use ultrasonic or steam cleaning methods. Calibrated gemstone sizes may vary slightly +\/–0.10mm.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmerald simulant\u003c\/strong\u003e with rich, deep green color ideal for May birthstone jewelry\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSynthetic Spinel doublet construction\u003c\/strong\u003e — two layers of Spinel bonded with tinted adhesive\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEmerald cut faceting\u003c\/strong\u003e for classic brilliance and versatility in settings\u003c\/li\u003e\n\u003cli\u003eCalibrated sizes available in a range of standard rectangular dimensions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvoid direct heat\u003c\/strong\u003e — clean with warm, soapy water only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eSynthetic Spinel Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSimulant For\u003c\/th\u003e\n\u003ctd\u003eEmerald (May Birthstone)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eEmerald Cut, Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eTwo layers of Synthetic Spinel bonded with tinted adhesive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/–0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCare\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water only; avoid direct heat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-517\u003c\/td\u003e\n\u003ctd\u003e6x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-522\u003c\/td\u003e\n\u003ctd\u003e7x5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-529\u003c\/td\u003e\n\u003ctd\u003e8x6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-535\u003c\/td\u003e\n\u003ctd\u003e9x7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-540\u003c\/td\u003e\n\u003ctd\u003e10x8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-544\u003c\/td\u003e\n\u003ctd\u003e11x9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-548\u003c\/td\u003e\n\u003ctd\u003e12x10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThis is an imitation (simulant) stone, not a natural or lab-grown emerald.\u003c\/li\u003e\n\u003cli\u003eDoublet construction makes this stone sensitive to heat and harsh chemicals — avoid ultrasonic cleaners, steam, and direct flame.\u003c\/li\u003e\n\u003cli\u003eCalibrated sizes may vary slightly +\/–0.10mm from stated dimensions.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"6x4mm","offer_id":47551817842902,"sku":"915-517","price":8.0,"currency_code":"USD","in_stock":true},{"title":"7x5mm","offer_id":47551817875670,"sku":"915-522","price":8.49,"currency_code":"USD","in_stock":true},{"title":"8x6mm","offer_id":47551818006742,"sku":"915-529","price":9.0,"currency_code":"USD","in_stock":true},{"title":"9x7mm","offer_id":47551817908438,"sku":"915-535","price":13.2,"currency_code":"USD","in_stock":true},{"title":"10x8mm","offer_id":47551817941206,"sku":"915-540","price":15.48,"currency_code":"USD","in_stock":true},{"title":"11x9mm","offer_id":47551818039510,"sku":"915-544","price":16.25,"currency_code":"USD","in_stock":true},{"title":"12x10mm","offer_id":47551817973974,"sku":"915-548","price":19.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/emerald-cut-faceted-imitation-emerald-otto-frei.jpg?v=1719954577"},{"product_id":"emerald-cut-faceted-imitation-alexandrite-synthetic-corundum-6x4-12x10mm","title":"Emerald Cut Faceted Imitation Alexandrite","description":"\u003cp\u003eThis Alexandrite simulant is crafted from lab-created synthetic purple corundum, displaying a grayish purple color characteristic of alexandrite imitations. With a hardness of 9 on the Mohs Scale, these stones offer exceptional durability suitable for everyday wear. The emerald cut faceted profile makes them a refined choice for a wide range of jewelry applications.\u003c\/p\u003e\n\n\u003cp\u003eThese stones are safe to fire in metal clay and suitable for stone-in-place casting, giving metalsmiths and jewelers flexibility across fabrication techniques. Calibrated gemstone sizes may vary slightly ±0.10mm.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlexandrite simulant\u003c\/strong\u003e composed of synthetic purple corundum\u003c\/li\u003e\n\u003cli\u003eGrayish purple color with alexandrite-like appearance\u003c\/li\u003e\n\u003cli\u003eEmerald cut faceted profile\u003c\/li\u003e\n\u003cli\u003eMohs hardness rating of 9—suitable for everyday wear\u003c\/li\u003e\n\u003cli\u003eSafe to fire in metal clay\u003c\/li\u003e\n\u003cli\u003eSafe for stone-in-place casting\u003c\/li\u003e\n\u003cli\u003eUltrasonic and steam cleaning generally safe\u003c\/li\u003e\n\u003cli\u003eClean with warm, soapy water\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eAlexandrite Simulant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSynthetic Purple Corundum (Lab-Created)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eEmerald Cut Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eGrayish Purple\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMohs Hardness\u003c\/th\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-617\u003c\/td\u003e\n\u003ctd\u003e6x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-622\u003c\/td\u003e\n\u003ctd\u003e7x5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-629\u003c\/td\u003e\n\u003ctd\u003e8x6.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-635\u003c\/td\u003e\n\u003ctd\u003e9x7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-640\u003c\/td\u003e\n\u003ctd\u003e10x8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-648\u003c\/td\u003e\n\u003ctd\u003e12x10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"6x4mm","offer_id":47551818170582,"sku":"915-617","price":3.0,"currency_code":"USD","in_stock":true},{"title":"7x5mm","offer_id":47551818203350,"sku":"915-622","price":3.24,"currency_code":"USD","in_stock":true},{"title":"8x6.5mm","offer_id":47551818236118,"sku":"915-629","price":3.75,"currency_code":"USD","in_stock":true},{"title":"9x7mm","offer_id":47551818268886,"sku":"915-635","price":6.6,"currency_code":"USD","in_stock":true},{"title":"10x8mm","offer_id":47551818301654,"sku":"915-640","price":8.25,"currency_code":"USD","in_stock":true},{"title":"12x10mm","offer_id":47551818334422,"sku":"915-648","price":14.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/emerald-cut-faceted-imitation-alexandrite-otto-frei.jpg?v=1719954577"},{"product_id":"emerald-octagon-faceted-lab-created-ruby-6x4-12x10mm","title":"Emerald\/Octagon Faceted Lab-Created Ruby","description":"\u003cp\u003eCut in a classic emerald\/octagon faceted shape, these lab-created rubies are composed of man-made corundum sharing the same chemical composition and durability as natural ruby. Each stone displays vivid, even coloration with excellent clarity — making them an ideal choice for production jewelry, custom metalsmithing, and stone-in-place casting work.\u003c\/p\u003e\u003cp\u003eRuby is the most valuable variety of corundum and commands the highest per-carat price of any colored stone. Color ranges from orangy red to purplish red, with pure, vivid red to slightly purplish red considered the most prized. These lab-created stones offer consistent color and clarity that can be difficult to achieve in natural material. Known as the \"King of Gems\" in Sanskrit, ruby has been one of the most desired gemstones since biblical times and serves as the traditional July birthstone.\u003c\/p\u003e\u003cp\u003eClean with warm, soapy water. Use of an ultrasonic or steam cleaner is generally safe.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVivid medium to dark purplish red color, eye-clean clarity\u003c\/li\u003e\n\u003cli\u003eLab-created corundum — same chemical composition as natural ruby\u003c\/li\u003e\n\u003cli\u003eEmerald\/octagon faceted cut\u003c\/li\u003e\n\u003cli\u003eTreatment: Synthetic\u003c\/li\u003e\n\u003cli\u003eSafe to fire in metal clay\u003c\/li\u003e\n\u003cli\u003eSafe for stone-in-place casting\u003c\/li\u003e\n\u003cli\u003eAvailable in seven sizes from 6x4mm to 12x10mm\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eLab-Created Ruby (Corundum)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eEmerald\/Octagon Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eVivid medium to dark purplish red\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eClarity\u003c\/th\u003e\n\u003ctd\u003eEye-clean\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTreatment\u003c\/th\u003e\n\u003ctd\u003eSynthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBirthstone Month\u003c\/th\u003e\n\u003ctd\u003eJuly\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMetal Clay Safe\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStone-in-Place Casting Safe\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCare\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water; ultrasonic and steam generally safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-717\u003c\/td\u003e\n\u003ctd\u003e6x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-722\u003c\/td\u003e\n\u003ctd\u003e7x5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-729\u003c\/td\u003e\n\u003ctd\u003e8x6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-735\u003c\/td\u003e\n\u003ctd\u003e9x7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-740\u003c\/td\u003e\n\u003ctd\u003e10x8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-744\u003c\/td\u003e\n\u003ctd\u003e11x9mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-748\u003c\/td\u003e\n\u003ctd\u003e12x10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"6x4mm","offer_id":47551818367190,"sku":"915-717","price":3.15,"currency_code":"USD","in_stock":true},{"title":"7x5mm","offer_id":47551818399958,"sku":"915-722","price":4.95,"currency_code":"USD","in_stock":true},{"title":"8x6mm","offer_id":47551818432726,"sku":"915-729","price":5.35,"currency_code":"USD","in_stock":true},{"title":"9x7mm","offer_id":47551818465494,"sku":"915-735","price":5.75,"currency_code":"USD","in_stock":true},{"title":"10x8mm","offer_id":47551818498262,"sku":"915-740","price":6.3,"currency_code":"USD","in_stock":true},{"title":"11x9mm","offer_id":47551818531030,"sku":"915-744","price":7.26,"currency_code":"USD","in_stock":true},{"title":"12x10mm","offer_id":47551818563798,"sku":"915-748","price":8.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/emeraldoctagon-faceted-lab-created-ruby-otto-frei.jpg?v=1719954576"},{"product_id":"emerald-cut-imitation-peridot-spinel-doublet-6x4-12x10mm","title":"Emerald Cut Faceted Imitation Peridot","description":"\u003cp\u003eDisplaying the characteristic lime-green color of natural peridot, these emerald cut faceted imitation stones are crafted as a peridot simulant using a lab-created yellow-green spinel doublet. Each stone is composed of two layers of synthetic spinel bonded together with a tinted adhesive, producing a consistent, vibrant color across the full size range. These calibrated gemstones are well-suited for use in finished jewelry, sample settings, or resale applications.\u003c\/p\u003e\n\n\u003cp\u003eCare should be taken to avoid direct heat exposure during setting or finishing. Clean with warm, soapy water only.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeridot simulant\u003c\/strong\u003e displaying characteristic lime-green color\u003c\/li\u003e\n\u003cli\u003eComposed of a \u003cstrong\u003elab-created yellow-green spinel doublet\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTwo layers of synthetic spinel bonded with tinted adhesive\u003c\/li\u003e\n\u003cli\u003eEmerald cut faceting for classic rectangular brilliance\u003c\/li\u003e\n\u003cli\u003eCalibrated sizes — may vary slightly \u003cem\u003e±0.10 mm\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003eSuitable for resale and finished jewelry applications\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvoid direct heat\u003c\/strong\u003e — clean with warm, soapy water only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eImitation Peridot (Peridot Simulant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eLab-Created Yellow-Green Spinel Doublet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition\u003c\/th\u003e\n\u003ctd\u003eTwo layers of synthetic spinel bonded with tinted adhesive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eEmerald Cut, Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eLime-Green\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCare\u003c\/th\u003e\n\u003ctd\u003eWarm, soapy water only — avoid direct heat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-817\u003c\/td\u003e\n\u003ctd\u003e6x4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-822\u003c\/td\u003e\n\u003ctd\u003e7x5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-829\u003c\/td\u003e\n\u003ctd\u003e8x6.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-835\u003c\/td\u003e\n\u003ctd\u003e9x7 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-840\u003c\/td\u003e\n\u003ctd\u003e10x8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-848\u003c\/td\u003e\n\u003ctd\u003e12x10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThese are imitation stones, not natural or synthetic peridot.\u003c\/li\u003e\n\u003cli\u003eDoublet construction makes these stones sensitive to heat — avoid torch work, ultrasonic, and steam cleaning.\u003c\/li\u003e\n\u003cli\u003eCalibrated sizes may vary slightly ±0.10 mm from stated dimensions.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"6x4mm","offer_id":47551818694870,"sku":"915-817","price":8.49,"currency_code":"USD","in_stock":true},{"title":"7x5mm","offer_id":47551818727638,"sku":"915-822","price":9.72,"currency_code":"USD","in_stock":true},{"title":"8x6.5mm","offer_id":47551818858710,"sku":"915-829","price":10.0,"currency_code":"USD","in_stock":true},{"title":"9x7mm","offer_id":47551818760406,"sku":"915-835","price":13.05,"currency_code":"USD","in_stock":true},{"title":"10x8mm","offer_id":47551818793174,"sku":"915-840","price":17.55,"currency_code":"USD","in_stock":true},{"title":"12x10mm","offer_id":47551818825942,"sku":"915-848","price":22.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/emerald-cut-faceted-imitation-peridot-otto-frei.jpg?v=1719954575"},{"product_id":"emerald-cut-imitation-sapphire-lab-created-blue-spinel-6x4-12x10mm","title":"Emerald Cut Faceted Imitation Sapphire","description":"\u003cp\u003eMimicking the royal blue color of natural sapphire, these emerald cut faceted imitation sapphires are composed of lab-created blue spinel. Offered in a range of calibrated sizes, they provide a consistent, affordable alternative to natural sapphire for finished jewelry, custom settings, and stone-in-place casting applications.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSapphire simulant\u003c\/strong\u003e — replicates the rich royal blue hue of natural sapphire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposed of synthetic spinel\u003c\/strong\u003e — a durable lab-created material\u003c\/li\u003e\n\u003cli\u003eEmerald cut faceted shape for elegant step-cut brilliance\u003c\/li\u003e\n\u003cli\u003eGenerally safe for stone-in-place casting, though some risk of damage may occur\u003c\/li\u003e\n\u003cli\u003eCalibrated sizes for consistent fit in standard settings\u003c\/li\u003e\n\u003cli\u003eSafe to clean with warm, soapy water; ultrasonic and steam cleaning are generally safe\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eImitation Sapphire (Sapphire Simulant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eLab-Created Blue Spinel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eEmerald Cut, Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eRoyal Blue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCasting\u003c\/th\u003e\n\u003ctd\u003eGenerally safe for stone-in-place casting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCleaning\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water; ultrasonic and steam generally safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-917\u003c\/td\u003e\n\u003ctd\u003e6x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-922\u003c\/td\u003e\n\u003ctd\u003e7x5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-929\u003c\/td\u003e\n\u003ctd\u003e8x6.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-935\u003c\/td\u003e\n\u003ctd\u003e9x7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-940\u003c\/td\u003e\n\u003ctd\u003e10x8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-948\u003c\/td\u003e\n\u003ctd\u003e12x10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eCalibrated gemstone sizes may vary slightly ±0.10mm. While stone-in-place casting is generally safe with synthetic spinel, some risk of damage may occur and is not guaranteed. This stone is an imitation — it is not a natural sapphire.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"6x4mm","offer_id":47551819055318,"sku":"915-917","price":2.49,"currency_code":"USD","in_stock":true},{"title":"7x5mm","offer_id":47551819088086,"sku":"915-922","price":3.06,"currency_code":"USD","in_stock":true},{"title":"8x6.5mm","offer_id":47551819120854,"sku":"915-929","price":3.48,"currency_code":"USD","in_stock":true},{"title":"9x7mm","offer_id":47551819153622,"sku":"915-935","price":7.35,"currency_code":"USD","in_stock":false},{"title":"10x8mm","offer_id":47551819186390,"sku":"915-940","price":8.34,"currency_code":"USD","in_stock":false},{"title":"12x10mm","offer_id":47551819219158,"sku":"915-948","price":13.65,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/emerald-cut-faceted-imitation-sapphire-otto-frei.jpg?v=1719954575"},{"product_id":"emerald-cut-faceted-imitation-pink-tourmaline-synthetic-corundum","title":"Emerald Cut Faceted Imitation PInk Tourmaline","description":"\u003cp\u003eThis Pink Tourmaline simulant is crafted from lab-created synthetic pink corundum, offering a rich rose pink hue that closely mimics the appearance of natural pink tourmaline. With a hardness rating of 9 on the Mohs Scale, these stones are well-suited for everyday wear and stand up to the demands of professional jewelry fabrication. Each stone is emerald cut and faceted, making them an excellent choice for settings that showcase clean lines and elegant geometry.\u003c\/p\u003e\n\n\u003cp\u003eThese simulants are safe to fire in metal clay and approved for stone-in-place casting, giving jewelers and metalsmiths versatile options for incorporating them into finished pieces. Clean with warm, soapy water only—avoid ultrasonic and steam cleaners. Calibrated gemstone sizes may vary slightly +\/–0.10mm.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePink Tourmaline simulant\u003c\/strong\u003e with a rose pink hue\u003c\/li\u003e\n\u003cli\u003eComposed of \u003cstrong\u003esynthetic pink corundum\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eEmerald cut, faceted profile\u003c\/li\u003e\n\u003cli\u003eHardness of \u003cstrong\u003e9 on the Mohs Scale\u003c\/strong\u003e—suitable for everyday wear\u003c\/li\u003e\n\u003cli\u003eSafe to fire in metal clay\u003c\/li\u003e\n\u003cli\u003eSafe for stone-in-place casting\u003c\/li\u003e\n\u003cli\u003eClean with warm, soapy water; avoid ultrasonic and steam cleaners\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003ePink Tourmaline Simulant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSynthetic Pink Corundum (Lab-Created)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eEmerald Cut, Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMohs Hardness\u003c\/th\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/–0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCare\u003c\/th\u003e\n\u003ctd\u003eWarm, soapy water only; no ultrasonic or steam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-A17\u003c\/td\u003e\n\u003ctd\u003e6x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-A22\u003c\/td\u003e\n\u003ctd\u003e7x5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-A29\u003c\/td\u003e\n\u003ctd\u003e8x6.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-A35\u003c\/td\u003e\n\u003ctd\u003e9x7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-A40\u003c\/td\u003e\n\u003ctd\u003e10x8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-A48\u003c\/td\u003e\n\u003ctd\u003e12x10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"6x4mm","offer_id":47551819284694,"sku":"915-A17","price":4.9,"currency_code":"USD","in_stock":true},{"title":"7x5mm","offer_id":47551819317462,"sku":"915-A22","price":7.0,"currency_code":"USD","in_stock":true},{"title":"8x6.5mm","offer_id":47551819350230,"sku":"915-A29","price":7.5,"currency_code":"USD","in_stock":true},{"title":"9x7mm","offer_id":47551819382998,"sku":"915-A35","price":15.0,"currency_code":"USD","in_stock":true},{"title":"10x8mm","offer_id":47551819415766,"sku":"915-A40","price":9.0,"currency_code":"USD","in_stock":true},{"title":"12x10mm","offer_id":47551819448534,"sku":"915-A48","price":9.4,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/emerald-cut-faceted-imitation-pink-tourmaline-otto-frei.jpg?v=1719954575"},{"product_id":"emerald-cut-faceted-imitation-citrine-synthetic-yellow-corundum-5x3-12x10mm","title":"Emerald Cut Faceted Imitation Citrine","description":"\u003cp\u003eDisplaying the rich golden yellow of citrine, these emerald cut faceted imitation citrine stones are composed of synthetic yellow corundum. With a hardness of 9 on the Mohs Scale, they offer excellent durability for everyday wear. These stones are safe to fire in metal clay and suitable for stone-in-place casting, making them a versatile choice for jewelers and metalsmiths. Clean with warm, soapy water; ultrasonic and steam cleaning is generally safe.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eCalibrated gemstone sizes may vary slightly +\/–0.10mm.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCitrine simulant displaying rich golden yellow color\u003c\/li\u003e\n\u003cli\u003eComposed of synthetic yellow corundum\u003c\/li\u003e\n\u003cli\u003eHardness of 9 on the Mohs Scale — suitable for everyday wear\u003c\/li\u003e\n\u003cli\u003eSafe to fire in metal clay\u003c\/li\u003e\n\u003cli\u003eSafe for stone-in-place casting\u003c\/li\u003e\n\u003cli\u003eCompatible with ultrasonic and steam cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eImitation Citrine (Citrine Simulant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSynthetic Yellow Corundum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eEmerald Cut, Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMohs Hardness\u003c\/th\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e+\/–0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCare\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water; ultrasonic and steam cleaning generally safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-B10\u003c\/td\u003e\n\u003ctd\u003e5x3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-B17\u003c\/td\u003e\n\u003ctd\u003e6x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-B22\u003c\/td\u003e\n\u003ctd\u003e7x5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-B29\u003c\/td\u003e\n\u003ctd\u003e8x6.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-B35\u003c\/td\u003e\n\u003ctd\u003e9x7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-B40\u003c\/td\u003e\n\u003ctd\u003e10x8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-B48\u003c\/td\u003e\n\u003ctd\u003e12x10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"5x3mm","offer_id":47551819743446,"sku":"915-B10","price":5.1,"currency_code":"USD","in_stock":true},{"title":"6x4mm","offer_id":47551819546838,"sku":"915-B17","price":5.25,"currency_code":"USD","in_stock":true},{"title":"7x5mm","offer_id":47551819579606,"sku":"915-B22","price":10.0,"currency_code":"USD","in_stock":false},{"title":"8x6.5mm","offer_id":47551819612374,"sku":"915-B29","price":18.0,"currency_code":"USD","in_stock":true},{"title":"9x7mm","offer_id":47551819645142,"sku":"915-B35","price":20.0,"currency_code":"USD","in_stock":true},{"title":"10x8mm","offer_id":47551819677910,"sku":"915-B40","price":21.25,"currency_code":"USD","in_stock":true},{"title":"12x10mm","offer_id":47551819710678,"sku":"915-B48","price":27.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/emerald-cut-faceted-imitation-citrine-otto-frei.jpg?v=1719954575"},{"product_id":"emerald-cut-faceted-imitation-blue-zircon-synthetic-spinel-6x4-12x10mm","title":"Emerald Cut Faceted Imitation Blue Zircon","description":"\u003cp\u003eThis lab-created blue Spinel displays the ocean blue shade of zircon without its characteristic brittleness. Crafted as a zircon simulant, these emerald cut faceted stones offer a compelling alternative for jewelers seeking the look of blue zircon with improved durability and workability. Composed of synthetic Spinel, these stones are generally safe for stone-in-place casting, making them a practical choice for a wide range of setting techniques.\u003c\/p\u003e\n\n\u003cp\u003eClean with warm, soapy water. Use of an ultrasonic or steam cleaner is usually safe. \u003cem\u003eCalibrated gemstone sizes may vary slightly ±0.10mm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eZircon simulant\u003c\/strong\u003e — replicates the ocean blue color of natural zircon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposed of synthetic Spinel\u003c\/strong\u003e — lab-created for consistency and durability\u003c\/li\u003e\n\u003cli\u003eEmerald cut faceted shape for refined, step-cut elegance\u003c\/li\u003e\n\u003cli\u003eGenerally safe for stone-in-place casting\u003c\/li\u003e\n\u003cli\u003eCompatible with ultrasonic and steam cleaning\u003c\/li\u003e\n\u003cli\u003eCalibrated sizes for predictable fitting in standard settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eZircon Simulant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSynthetic Spinel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eImitation Blue Zircon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCut\u003c\/th\u003e\n\u003ctd\u003eEmerald Cut, Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCast in Place\u003c\/th\u003e\n\u003ctd\u003eGenerally safe; some risk of damage may occur\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCleaning\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water; ultrasonic and steam usually safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-C17\u003c\/td\u003e\n\u003ctd\u003e6x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-C22\u003c\/td\u003e\n\u003ctd\u003e7x5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-C29\u003c\/td\u003e\n\u003ctd\u003e8x6.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-C35\u003c\/td\u003e\n\u003ctd\u003e9x7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-C40\u003c\/td\u003e\n\u003ctd\u003e10x8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e915-C48\u003c\/td\u003e\n\u003ctd\u003e12x10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"6x4mm","offer_id":47551819776214,"sku":"915-C17","price":4.0,"currency_code":"USD","in_stock":true},{"title":"7x5mm","offer_id":47551819808982,"sku":"915-C22","price":4.2,"currency_code":"USD","in_stock":true},{"title":"8x6.5mm","offer_id":47551819841750,"sku":"915-C29","price":4.6,"currency_code":"USD","in_stock":false},{"title":"9x7mm","offer_id":47551819874518,"sku":"915-C35","price":5.75,"currency_code":"USD","in_stock":false},{"title":"10x8mm","offer_id":47551819907286,"sku":"915-C40","price":8.85,"currency_code":"USD","in_stock":true},{"title":"12x10mm","offer_id":47551819940054,"sku":"915-C48","price":15.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/emerald-cut-faceted-imitation-blue-zircon-otto-frei.jpg?v=1719954575"},{"product_id":"heart-faceted-imitation-red-garnet-simulant-synthetic-corundum","title":"Heart Faceted Imitation Red Garnet","description":"\u003cp\u003eThis Heart Faceted Imitation Red Garnet is a garnet simulant composed of synthetic red corundum, displaying a deep, vivid red color. With a hardness of 9 on the Mohs Scale, it offers excellent durability suitable for everyday wear. Garnet is the traditional birthstone of January, making these stones a popular choice for birthstone jewelry. These calibrated stones may be fired in metal clay and are safe for stone-in-place casting, offering versatile use across a wide range of metalsmithing and jewelry fabrication applications. Clean with warm, soapy water; use of an ultrasonic or steam cleaner is generally safe.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eCalibrated gemstone sizes may vary slightly ±0.10mm.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGarnet simulant\u003c\/strong\u003e composed of synthetic red corundum\u003c\/li\u003e\n\u003cli\u003eDeep, vivid red color with faceted heart shape\u003c\/li\u003e\n\u003cli\u003eHardness of 9 on the Mohs Scale — suitable for everyday wear\u003c\/li\u003e\n\u003cli\u003eJanuary birthstone alternative\u003c\/li\u003e\n\u003cli\u003eSafe to fire in metal clay\u003c\/li\u003e\n\u003cli\u003eSafe for stone-in-place casting\u003c\/li\u003e\n\u003cli\u003eCompatible with ultrasonic and steam cleaning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Type\u003c\/th\u003e\n\u003ctd\u003eGarnet Simulant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSynthetic Red Corundum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShape\u003c\/th\u003e\n\u003ctd\u003eHeart, Faceted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eDeep Vivid Red\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMohs Hardness\u003c\/th\u003e\n\u003ctd\u003e9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBirthstone Month\u003c\/th\u003e\n\u003ctd\u003eJanuary\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Tolerance\u003c\/th\u003e\n\u003ctd\u003e±0.10mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCasting Compatible\u003c\/th\u003e\n\u003ctd\u003eYes — stone-in-place casting safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMetal Clay Compatible\u003c\/th\u003e\n\u003ctd\u003eYes — safe to fire in metal clay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCleaning\u003c\/th\u003e\n\u003ctd\u003eWarm soapy water; ultrasonic and steam generally safe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e916-108\u003c\/td\u003e\n\u003ctd\u003e4x4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e916-115\u003c\/td\u003e\n\u003ctd\u003e5x5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e916-118\u003c\/td\u003e\n\u003ctd\u003e6x6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"4x4mm","offer_id":47551820169430,"sku":"916-108","price":4.9,"currency_code":"USD","in_stock":true},{"title":"5x5mm","offer_id":47551820202198,"sku":"916-115","price":5.0,"currency_code":"USD","in_stock":true},{"title":"6x6mm","offer_id":47551820234966,"sku":"916-118","price":5.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/heart-faceted-imitation-red-garnet-otto-frei.jpg?v=1719954573"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/collections\/otto-frei-lab-created-faceted-gemstones-collection-hero.jpg?v=1776444153","url":"https:\/\/www.ottofrei.com\/collections\/lab-created-synthetic-faceted-gemstones.oembed?page=3","provider":"Otto Frei","version":"1.0","type":"link"}