{"title":"Gemological Instruments","description":"\u003cp\u003eGem identification instruments and supplies: refractometers with 1.81 RI liquid, polariscopes, calcite and London dichroscopes, Chelsea and ruby filters, darkfield loupes, and GemOro Elite microscopes. Stone handling too: shovels and holder rings, diamond sieves, CZ master stone sets, parcel papers in Belgium white and Euro blue, plus appraisal books, memo books, and forms.\u003c\/p\u003e","products":[{"product_id":"gemoro-1956-cz-master-set-pro-3-11-stone-d-n","title":"GemOro 1956 CZ Master Set Pro 3-1.00ct 11 Stone Set","description":"\u003cp\u003eThe GemOro 1956 CZ Master Set Pro 3 is a professional 11-stone D–N diamond color reference set designed for fast, consistent grading. Featuring precision 6.5 mm cubic zirconia stones (1.00 ct diamond size) and integrated daylight and UV illumination, this system delivers accurate comparison in seconds—bringing clarity and confidence to every color call.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e11-stone D–N color range: D, E, F, G, H, I, J, K, L, M, N\u003c\/li\u003e\n\u003cli\u003e6.5 mm CZ stones (1.00 ct diamond size) for realistic comparison\u003c\/li\u003e\n\u003cli\u003eProprietary ColorLast™ Technology for permanent color saturation\u003c\/li\u003e\n\u003cli\u003eLaser-inscribed color ID on table (not girdle) for easy 10× loupe viewing\u003c\/li\u003e\n\u003cli\u003eHand graded to GIA color standards and electronically verified\u003c\/li\u003e\n\u003cli\u003ePatented LED illuminated grading and storage case with daylight and UV modes\u003c\/li\u003e\n\u003cli\u003eRechargeable NiMH battery system with micro-USB charging\u003c\/li\u003e\n\u003cli\u003eIncludes yellow and white solitaire ring stone holders for mounted comparisons\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\u003eColor Range\u003c\/th\u003e\n\u003ctd\u003eD–N (11 Stones)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Diameter\u003c\/th\u003e\n\u003ctd\u003e6.5 mm (0.26 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEquivalent Diamond Size\u003c\/th\u003e\n\u003ctd\u003e1.00 Carat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGrading Scale\u003c\/th\u003e\n\u003ctd\u003eGIA Standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIllumination\u003c\/th\u003e\n\u003ctd\u003eNatural Daylight LED and UV LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Source\u003c\/th\u003e\n\u003ctd\u003eRechargeable NiMH Batteries with Micro-USB Charging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCase Warranty\u003c\/th\u003e\n\u003ctd\u003e1 Year Limited (Material \u0026amp; Workmanship Defects)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Warranty\u003c\/th\u003e\n\u003ctd\u003eLifetime Limited Against Color Change (Registration Required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufactured In\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eGemOro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eQty\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCZ Master Set Pro 3 D–N Stones (6.5 mm)\u003c\/td\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePatented LED Illuminated Grading \u0026amp; Storage Case\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eYellow Solitaire Ring Stone Holder\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWhite Solitaire Ring Stone Holder\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeatherette Carrying Pouch\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty Registration Information\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eTo operate: Press the rear power button once to activate daylight LEDs. Press again to activate UV LEDs. Press again to power off.\u003c\/p\u003e\n\u003cp\u003eLifetime limited stone warranty applies against color change when used in professional environments and not exposed to extreme heat or excessive UV radiation. Replacement only. Warranty registration required and serviced by GemOro Superior Instruments, Dallas, Texas.\u003c\/p\u003e","brand":"GemOro","offers":[{"title":"Default Title","offer_id":43564062114006,"sku":"161.121","price":439.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/gemoro-1956-cz-master-set-pro-3-1-00ct-11-stone-set-otto-frei.jpg?v=1719958888"},{"product_id":"wax-dop-stick-handle-stone-positioning","title":"Wax Dop Stick With Handle For Positioning Stones","description":"\u003cp\u003eA compact, reliable tool for positioning and transferring loose stones with precision. The specially formulated wax cone offers just the right tack—secure enough to hold stones firmly, yet releases cleanly with a gentle touch for accurate placement.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWax cone tip with balanced adhesion for controlled stone handling\u003c\/li\u003e\n\u003cli\u003eIdeal for moving and positioning loose diamonds and gemstones\u003c\/li\u003e\n\u003cli\u003eComfortable handle for steady grip and precise manipulation\u003c\/li\u003e\n\u003cli\u003eCompact size suited for bench work and close detail tasks\u003c\/li\u003e\n\u003cli\u003eSold individually\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e58 mm (2.28 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWax Cone Height\u003c\/th\u003e\n\u003ctd\u003e16 mm (0.63 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWax Cone Diameter (Max)\u003c\/th\u003e\n\u003ctd\u003e12 mm (0.47 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufactured In\u003c\/th\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eTo maintain optimal adhesion, keep the wax tip clean and free of dust or debris. If necessary, reshape slightly to restore a fine working point.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43580524855510,"sku":"112.226","price":6.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/wax-dop-stick-with-handle-for-positioning-stones-otto-frei.jpg?v=1719958094"},{"product_id":"portable-polariscope-flashlight-case","title":"Portable Polariscope With Flashlight \u0026 Case","description":"\u003cp\u003eThis portable polariscope is designed to differentiate between singly refractive (isotropic) and doubly refractive (anisotropic) stones. By placing a gemstone between two polarizing filters and rotating the top lens, you can observe characteristic light reactions that reveal important optical properties—an essential test in gem identification.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDetermines isotropic vs. anisotropic gemstones\u003c\/li\u003e\n\u003cli\u003eRotating top polarizing lens for observing optical reactions\u003c\/li\u003e\n\u003cli\u003eDiffused bottom lens for even light distribution\u003c\/li\u003e\n\u003cli\u003eIncludes removable auxiliary lens (non-magnifying)\u003c\/li\u003e\n\u003cli\u003eFlashlight attaches securely to base with screw fitting\u003c\/li\u003e\n\u003cli\u003eCompact, portable design for bench or field use\u003c\/li\u003e\n\u003cli\u003eIncludes zippered storage case\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eInstrument Type\u003c\/th\u003e\n\u003ctd\u003ePortable Polariscope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003ctd\u003eRotating Top Lens, Diffused Bottom Lens, Removable Auxiliary Lens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLight Source\u003c\/th\u003e\n\u003ctd\u003eDetachable Flashlight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufactured In\u003c\/th\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eQty\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePortable Polariscope Main Body\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlashlight\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary Lens\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eZippered Storage Case\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eThe included lenses function as polarizing and diffusing elements and do not provide magnification. Position the stone centrally between the filters and rotate the top lens to observe changes in light and dark areas during testing.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581437575382,"sku":"161.155","price":58.85,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/portable-polariscope-with-flashlight-and-case-otto-frei.jpg?v=1719957556"},{"product_id":"calcite-dichroscope-gemstone-identification","title":"Calcite Dichroscope","description":"\u003cp\u003eThe calcite dichroscope is used to determine whether a gemstone is dichroic, displaying two distinct colors when viewed from different directions. This property helps differentiate stones of similar body color and is especially useful for examining rough material or mounted stones where other instruments are difficult to use.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReveals whether a stone is dichroic (shows two colors)\u003c\/li\u003e\n\u003cli\u003eAssists in distinguishing gemstones of similar appearance\u003c\/li\u003e\n\u003cli\u003eEffective for examining rough stones and mounted gems\u003c\/li\u003e\n\u003cli\u003eConstructed with calcite for durability and long service life\u003c\/li\u003e\n\u003cli\u003eCompact and easy to use in bench or field settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eInstrument Type\u003c\/th\u003e\n\u003ctd\u003eDichroscope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOptical Material\u003c\/th\u003e\n\u003ctd\u003eCalcite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eUse under appropriate lighting conditions for best results. A dichroscope is a screening tool and should be used alongside other gemological instruments for more conclusive identification.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581438132438,"sku":"161.165","price":70.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/calcite-dichroscope-otto-frei.jpg?v=1719957556"},{"product_id":"chelsea-filter-emerald-gem-identification","title":"Chelsea Filter","description":"\u003cp\u003eThe Chelsea filter is a compact gemological tool used to help identify certain red, blue, and green gemstones by observing characteristic color reactions under filtered light. It is especially useful for spotting imitations mixed into colored stone parcels and jewelry, and for differentiating emerald from common emerald look-alikes.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAssists in identifying select red, blue, and green gemstones\u003c\/li\u003e\n\u003cli\u003eCommonly used to detect simulants in colored stone parcels\u003c\/li\u003e\n\u003cli\u003eHelps differentiate emerald from emerald look-alikes\u003c\/li\u003e\n\u003cli\u003eUseful for checking aquamarine and sapphires\u003c\/li\u003e\n\u003cli\u003eCompact and easy to use in bench or field settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eInstrument Type\u003c\/th\u003e\n\u003ctd\u003eColor Filter for Gem Testing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eUse under appropriate lighting conditions for best results. A Chelsea filter is a screening tool and should be used in combination with other gemological instruments for more conclusive identification.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581438591190,"sku":"161.175","price":24.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/161.175NEW_thumb_cb46a34a-529b-4706-a51a-d73da2c6529b.jpg?v=1764026900"},{"product_id":"ruby-filter-gemstone-identification","title":"Ruby Filter","description":"\u003cp\u003eA ruby filter is a simple yet effective gemological tool used to help differentiate natural rubies from ruby simulants and look-alike stones. By altering the way certain wavelengths of light are viewed, it assists in identifying characteristic color reactions during examination.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAssists in distinguishing rubies from ruby simulants\u003c\/li\u003e\n\u003cli\u003eHighlights characteristic color reactions under filtered light\u003c\/li\u003e\n\u003cli\u003eCompact and easy to use in bench or field settings\u003c\/li\u003e\n\u003cli\u003eUseful addition to basic gem identification toolkit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eInstrument Type\u003c\/th\u003e\n\u003ctd\u003eColor Filter for Gem Testing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eUse in conjunction with proper lighting and additional gemological instruments for more reliable identification. A ruby filter is a screening tool and not a standalone method of definitive gemstone identification.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581439508694,"sku":"161.170","price":24.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/ruby-filter-otto-frei.jpg?v=1719957556"},{"product_id":"white-blue-antwerp-diamond-parcel-papers-25-pack","title":"Diamond Parcel Papers-Belgium White\/Blue Packs Of 25","description":"\u003cp\u003eThese Antwerp style diamond parcel papers are premium quality and crafted for professional stone handling. Made with faint watermarked paper, each parcel features a white outer wrapper with two interior flutes—one blue and one white—providing secure containment and refined presentation for loose diamonds.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAntwerp style diamond parcel papers\u003c\/li\u003e\n\u003cli\u003eFaint watermarked paper for professional presentation\u003c\/li\u003e\n\u003cli\u003eWhite exterior with two interior flutes (one blue, one white)\u003c\/li\u003e\n\u003cli\u003ePremium quality construction for secure stone handling\u003c\/li\u003e\n\u003cli\u003eIdeal for sorting, storing, and presenting loose diamonds\u003c\/li\u003e\n\u003cli\u003eSold in packs of 25 papers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePaper Configuration\u003c\/th\u003e\n\u003ctd\u003eWhite Outside, One White Flute \u0026amp; One Blue Flute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePaper Size\u003c\/th\u003e\n\u003ctd\u003e80 × 45 mm (3-1\/8\" × 1-3\/4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e25 Papers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufactured In\u003c\/th\u003e\n\u003ctd\u003eIndia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eDesigned for professional jewelers and diamond dealers, these watermarked parcel papers fold crisply while maintaining durability for secure storage and transfer of loose stones.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581439705302,"sku":"161.080","price":5.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/diamond-parcel-papers-belgium-whiteblue-packs-of-25-otto-frei.jpg?v=1719957556"},{"product_id":"euro-blue-diamond-parcel-papers-blue-blue-100-pack","title":"Diamond Parcel Papers-Euro Blue\/Blue Packs of 100","description":"\u003cp\u003eSold in packs of 100, these premium quality Antwerp-style Euro Blue diamond parcel papers are designed for professional diamond handling and presentation. Crafted with faint watermarked paper and two blue interior flutes, they offer the refined feel and dependable durability.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePremium Antwerp-style diamond parcel papers\u003c\/li\u003e\n\u003cli\u003eFaint watermarked paper for professional presentation\u003c\/li\u003e\n\u003cli\u003eWhite exterior paper, two blue interior flutes (Blue\/Blue configuration)\u003c\/li\u003e\n\u003cli\u003eSupersoft superior quality\u003c\/li\u003e\n\u003cli\u003eAlso known as Euro Blue diamond papers\u003c\/li\u003e\n\u003cli\u003eOne box contains 4 packs of 25, 100 papers total\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePaper Configuration\u003c\/th\u003e\n\u003ctd\u003eBlue\/Blue (Two Blue Flutes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePaper Size\u003c\/th\u003e\n\u003ctd\u003e80 mm × 45 mm (3.15 in × 1.77 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e100 Papers (4 packs of 25 per box)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufactured In\u003c\/th\u003e\n\u003ctd\u003eIndia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eDesigned for professional jewelers and diamond dealers, these watermarked parcel papers fold crisply while maintaining strength for secure storage and transfer of loose stones.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581440360662,"sku":"161.081","price":20.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/161.081NEW_thumb_6c3fe581-c035-4e52-9e52-091c3e7fdc51.jpg?v=1774642965"},{"product_id":"diamond-paper-weight-stainless-steel-6-inch","title":"Diamond Paper Weight","description":"\u003cp\u003eThis stainless steel diamond paper weight is designed to hold folded diamond papers securely in the open position during sorting and inspection. Compact and practical, it keeps parcel papers steady on the bench and folds neatly when not in use.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHolds folded diamond paper open for easy access\u003c\/li\u003e\n\u003cli\u003eFolds flat for compact storage when not in use\u003c\/li\u003e\n\u003cli\u003eDurable stainless steel construction\u003c\/li\u003e\n\u003cli\u003eIdeal for sorting and inspecting loose stones\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003e6 in (152 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eDesigned for use with standard diamond parcel papers. Keep clean and dry to maintain smooth folding action and long service life.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581442097366,"sku":"161.077","price":3.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/diamond-paper-weight-otto-frei.jpg?v=1719957554"},{"product_id":"jewelry-appraisal-book-40-forms-receipts","title":"Appraisal Book Of 40 With Receipts","description":"\u003cp\u003eThis jewelry appraisal book includes 40 appraisal forms with matching receipts, providing a structured and professional way to document and deliver valuation information. Designed for jewelers and appraisers, the large-format single pages offer ample space for detailed descriptions and customer records.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBook of 40 jewelry appraisal forms with receipts\u003c\/li\u003e\n\u003cli\u003eStructured layout for clear, professional documentation\u003c\/li\u003e\n\u003cli\u003eIncludes matching customer receipt copies\u003c\/li\u003e\n\u003cli\u003eIdeal for retail jewelers, appraisers, and repair shops\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eForm Type\u003c\/th\u003e\n\u003ctd\u003eJewelry Appraisal Forms with Receipts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSheet Size\u003c\/th\u003e\n\u003ctd\u003e8-1\/2 × 14-1\/2 in (215.9 × 368.3 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003e40 Forms per Book\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eDesigned for professional recordkeeping and customer documentation. Store completed forms securely as part of your appraisal and valuation records.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581445570774,"sku":"161.099","price":7.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/appraisal-book-of-40-with-receipts-otto-frei.jpg?v=1719957554"},{"product_id":"jewelry-appraisal-form-cover-pack-of-12","title":"Appraisal Form Cover Only Pack Of 12","description":"\u003cp\u003eThese jewelry appraisal form covers are made from heavy stock paper to protect appraisal documents while presenting them in a clean, professional format. Designed to add durability and a polished appearance, they help ensure your completed appraisals are delivered with confidence.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHeavy stock covers for added document protection\u003c\/li\u003e\n\u003cli\u003eProvides a professional presentation for jewelry appraisals\u003c\/li\u003e\n\u003cli\u003eHelps protect appraisal paperwork from bending and wear\u003c\/li\u003e\n\u003cli\u003eSold in convenient packs of 12 covers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eJewelry Appraisal Form Cover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eHeavy Stock Paper\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e12 Covers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eCover only. Appraisal forms are sold separately. Ideal for jewelers and appraisers who want to present documentation in a durable, professional format.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581447700694,"sku":"161.102","price":4.2,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/appraisal-form-cover-only-pack-of-12-otto-frei.jpg?v=1719957554"},{"product_id":"large-gold-stone-holder-display-ring","title":"Stone Holder Rings, Large Gold","description":"\u003cp\u003eThese large gold spring-type stone holder display rings provide an attractive and practical way to present loose stones to customers. Designed for quick insertion and secure hold, they allow clients to see how a larger stone will look on the hand before setting.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSpring-type mechanism securely holds loose stones\u003c\/li\u003e\n\u003cli\u003eLarge size designed for stones over 1.50 carats\u003c\/li\u003e\n\u003cli\u003eGold color finish for warm, realistic presentation\u003c\/li\u003e\n\u003cli\u003eIdeal for in-store consultations and sales demonstrations\u003c\/li\u003e\n\u003cli\u003eReusable and easy to load or remove stones\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eRing Type\u003c\/th\u003e\n\u003ctd\u003eSpring-Type Stone Holder Display Ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003eLarge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIntended Stone Size\u003c\/th\u003e\n\u003ctd\u003eOver 1.50 Carats\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eGold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eFor display purposes only. Insert the stone carefully into the spring holder to ensure secure positioning before placing on a customer’s hand.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581458514134,"sku":"161.095","price":4.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/stone-holder-rings-large-gold-otto-frei.jpg?v=1719957552"},{"product_id":"regular-white-stone-holder-display-ring","title":"Stone Holder Rings, Regular White","description":"\u003cp\u003eThese regular white spring-type stone holder display rings offer a simple and effective way to present loose stones to customers. Designed for quick loading and secure positioning, they allow clients to see how a stone will look on their hand before setting.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSpring-type mechanism securely holds loose stones\u003c\/li\u003e\n\u003cli\u003eRegular size suitable for stones up to 1.50 carats\u003c\/li\u003e\n\u003cli\u003eWhite finish for clean, neutral presentation\u003c\/li\u003e\n\u003cli\u003eIdeal for in-store consultations and sales presentations\u003c\/li\u003e\n\u003cli\u003eReusable and easy to insert or remove stones\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eRing Type\u003c\/th\u003e\n\u003ctd\u003eSpring-Type Stone Holder Display Ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003eRegular\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIntended Stone Size\u003c\/th\u003e\n\u003ctd\u003eUp to 1.50 Carats\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eFor display purposes only. Ensure the stone is properly seated within the spring holder before placing on a customer’s hand.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581464740054,"sku":"161.096","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/stone-holder-rings-regular-white-otto-frei.jpg?v=1719957552"},{"product_id":"large-white-stone-holder-display-ring","title":"Stone Holder Rings, Large White","description":"\u003cp\u003eThese large white spring-type stone holder display rings provide a simple, effective way to show customers how a loose stone will look when worn. Designed for quick insertion and secure hold, they allow stones to be presented on the hand for realistic viewing during sales consultations.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSpring-type mechanism securely holds loose stones\u003c\/li\u003e\n\u003cli\u003eLarge size designed for stones over 1.50 carats\u003c\/li\u003e\n\u003cli\u003eWhite finish for neutral, clean presentation\u003c\/li\u003e\n\u003cli\u003eIdeal for in-store demonstrations and customer consultations\u003c\/li\u003e\n\u003cli\u003eReusable and easy to load or remove stones\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eRing Type\u003c\/th\u003e\n\u003ctd\u003eSpring-Type Stone Holder Display Ring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003eLarge\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIntended Stone Size\u003c\/th\u003e\n\u003ctd\u003eOver 1.50 Carats\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eFor display purposes only. Insert stone carefully into the spring setting to ensure secure positioning before placing on a customer’s hand.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581471981782,"sku":"161.097","price":4.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/stone-holder-rings-large-white-otto-frei.jpg?v=1719957552"},{"product_id":"diamond-stone-shovel-handle-2-1-4-x-1-1-2","title":"Diamond \u0026 Stone Shovel-With Handle 2-1\/4\" X 1-1\/2\"","description":"\u003cp\u003eThis diamond and stone shovel with handle is designed for efficiently handling diamonds, pearls, and other precious gemstones. The attached handle provides added control and comfort, making it easy to scoop, count, and transfer small stones during parcel work or packaging.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for handling diamonds, pearls, and gemstones\u003c\/li\u003e\n\u003cli\u003eIntegrated handle for improved control and comfort\u003c\/li\u003e\n\u003cli\u003eIdeal for counting, sorting, and transferring small stones\u003c\/li\u003e\n\u003cli\u003eCompact size suited for bench and parcel work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eShovel Size\u003c\/th\u003e\n\u003ctd\u003e2-1\/4 × 1-1\/2 in (57.2 × 38.1 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eFor best results, use over parcel paper or a stone tray to minimize the risk of loss. Keep the shovel clean and free of debris to protect delicate stones and ensure accurate counts.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581477781718,"sku":"151.095A","price":3.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/diamond-and-stone-shovel-with-handle-2-14-x-1-12-otto-frei.jpg?v=1719957552"},{"product_id":"10x-darkfield-loupe-flashlight-18mm","title":"10X Darkfield Loupe With Flashlight","description":"\u003cp\u003eThis 10× darkfield loupe with flashlight is designed for grading loose and mounted stones with enhanced visibility of internal features. The integrated darkfield illumination makes fracture-filled stones easier to detect, while the fully corrected optics provide sharp, glare-free viewing in a compact handheld format.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e10× fully corrected loupe for gemstone grading\u003c\/li\u003e\n\u003cli\u003e18 mm lens diameter for clear, wide viewing area\u003c\/li\u003e\n\u003cli\u003eIntegrated flashlight for darkfield illumination\u003c\/li\u003e\n\u003cli\u003eIdeal for examining loose and mounted stones\u003c\/li\u003e\n\u003cli\u003eBlack finish reduces glare during inspection\u003c\/li\u003e\n\u003cli\u003e18 mm loupe lens fits over flashlight\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMagnification\u003c\/th\u003e\n\u003ctd\u003e10×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLens Diameter\u003c\/th\u003e\n\u003ctd\u003e18 mm (0.71 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Length\u003c\/th\u003e\n\u003ctd\u003e8-1\/4 in (209.6 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Source\u003c\/th\u003e\n\u003ctd\u003eAAA Batteries (Not Included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufactured In\u003c\/th\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eUses AAA batteries (not included). Position the loupe over the flashlight beam to achieve optimal darkfield contrast when examining inclusions or fracture-filled stones.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581684252886,"sku":"161.152","price":61.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/10x-darkfield-loupe-with-flashlight-otto-frei.jpg?v=1719957455"},{"product_id":"antwerp-blue-blue-diamond-parcel-papers-25-pack","title":"Diamond Parcel Papers Superior Quality Euro Blue\/Blue Packs of 25","description":"\u003cp\u003eSold in packs of 25, these premium quality Antwerp-style Euro Blue diamond parcel papers are designed for professional diamond handling and presentation. Crafted with faint watermarked paper and two blue interior flutes, they offer the refined feel and dependable durability.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePremium Antwerp-style diamond parcel papers\u003c\/li\u003e\n\u003cli\u003eFaint watermarked paper for professional presentation\u003c\/li\u003e\n\u003cli\u003eWhite exterior paper, two blue interior flutes (Blue\/Blue configuration)\u003c\/li\u003e\n\u003cli\u003eSupersoft superior quality\u003c\/li\u003e\n\u003cli\u003eAlso known as Euro Blue diamond papers\u003c\/li\u003e\n\u003cli\u003eSold in packs of 25\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePaper Configuration\u003c\/th\u003e\n\u003ctd\u003eBlue\/Blue (Two Blue Flutes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePaper Size\u003c\/th\u003e\n\u003ctd\u003e80mm × 45mm (3-1\/8\" x 1.3\/4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e25 Papers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufactured In\u003c\/th\u003e\n\u003ctd\u003eIndia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eDesigned for professional jewelers and diamond dealers, these watermarked parcel papers fold crisply while maintaining strength for secure storage and transfer of loose stones.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581728620758,"sku":"161.065","price":6.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/161.065NEW_thumb_085ad0a0-032f-4bc4-9d40-2f9d044c42ef.jpg?v=1774640028"},{"product_id":"gempro-polariscope-portable-with-light-source","title":"GemPro Polariscope With Light Source","description":"\u003cp\u003eThe GemPro Polariscope With Light Source is a portable gemological instrument used to determine whether a gemstone is singly (isotropic) or doubly (anisotropic) refractive. Compact and battery-operated, it also assists in identifying moissanite and detecting strain in diamonds—making it a versatile tool for field and bench testing.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDetermines singly vs. doubly refractive gemstones\u003c\/li\u003e\n\u003cli\u003eUseful for identifying moissanite\u003c\/li\u003e\n\u003cli\u003eHelps detect strain in diamonds\u003c\/li\u003e\n\u003cli\u003ePrecision high-quality glass lens (not plastic)\u003c\/li\u003e\n\u003cli\u003ePortable, battery-operated design\u003c\/li\u003e\n\u003cli\u003eIncludes Mini Maglite light source\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eInstrument Type\u003c\/th\u003e\n\u003ctd\u003ePortable Polariscope\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLens Material\u003c\/th\u003e\n\u003ctd\u003ePrecision Glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLight Source\u003c\/th\u003e\n\u003ctd\u003eMini Maglite (Included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Source\u003c\/th\u003e\n\u003ctd\u003eBattery Operated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eGemPro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eQty\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGemPro Polariscope\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMini Maglite Light Source\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBatteries\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003ePlace the gemstone between the polarizing elements and rotate to observe light changes indicating optical properties. Suitable for professional jewelers, gemologists, and appraisers requiring portable testing capability.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581801267414,"sku":"161.148","price":250.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/gempro-polariscope-with-light-source-otto-frei.jpg?v=1719957398"},{"product_id":"gempro-refractometer-gemstone-identification","title":"Refractometer","description":"\u003cp\u003eThe GemPro refractometer is a primary gemological instrument used to measure the refractive index of gemstones for accurate identification. Clear optics and an easy-viewing lens make readings straightforward, helping you quickly determine one of a stone’s most critical optical properties.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMeasures refractive index for gemstone identification\u003c\/li\u003e\n\u003cli\u003eEasy-viewing lens for clear scale observation\u003c\/li\u003e\n\u003cli\u003eDesigned for professional gemological use\u003c\/li\u003e\n\u003cli\u003eCompact benchtop format\u003c\/li\u003e\n\u003cli\u003eIncludes essential accessories for operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eInstrument Type\u003c\/th\u003e\n\u003ctd\u003eGemstone Refractometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLight Source\u003c\/th\u003e\n\u003ctd\u003eExternal Flashlight (Included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncluded Accessories\u003c\/th\u003e\n\u003ctd\u003eRefractive Index Liquid, Monochromatic Filter, Flashlight\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eGemPro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eQty\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGemPro Refractometer\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlashlight (Light Source)\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefractive Index Liquid\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMonochromatic Filter\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eUse refractive index liquid between the stone and prism to ensure proper optical contact. Always clean the prism surface carefully after use to maintain measurement accuracy.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43582410326230,"sku":"161.142","price":595.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/refractometer-otto-frei.jpg?v=1719957058"},{"product_id":"i-david-belgium-white-white-diamond-papers-25-pack","title":"Closeout I. David Belgium White\/White Diamond Papers-Packs of 25","description":"\u003cp\u003eGenuine I. David White\/White Diamond Papers imported from Belgium, recognized for exceptional quality and consistency. Crafted from noticeably thinner yet durable paper, these parcel papers fold crisply and securely—ideal for storing, sorting, and presenting loose diamonds with confidence.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine I. David diamond papers made in Belgium\u003c\/li\u003e\n\u003cli\u003eWhite outer wrapper with faint pinstripe finish\u003c\/li\u003e\n\u003cli\u003eTwo white interior flutes (white\/white configuration)\u003c\/li\u003e\n\u003cli\u003eNoticeably thinner paper with excellent strength and durability\u003c\/li\u003e\n\u003cli\u003eIdeal for parceling, sorting, and presenting loose diamonds\u003c\/li\u003e\n\u003cli\u003eSold in packs of 25 papers\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePaper Configuration\u003c\/th\u003e\n\u003ctd\u003eWhite\/White (Two White Flutes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePaper Size\u003c\/th\u003e\n\u003ctd\u003e80 × 42 mm (3-1\/8\" x 1-5\/8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e25 Papers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufactured In\u003c\/th\u003e\n\u003ctd\u003eBelgium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eI. David\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eThe thinner paper construction provides a precise fold while maintaining durability. Suitable for professional jewelers, diamond dealers, and gemologists handling loose stones.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43583274877142,"sku":"161.083","price":12.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/closeout-i-david-belgium-whitewhite-diamond-papers-packs-of-25-otto-frei.jpg?v=1719956706"},{"product_id":"tabletop-polariscope-110-120v-gem-testing","title":"Polariscope Tabletop-110V","description":"\u003cp\u003eThis tabletop polariscope is designed to quickly differentiate between singly refractive (isotropic) and doubly refractive (anisotropic) stones. By placing a stone between two polarizing filters and rotating the upper lens, you can observe characteristic light changes that reveal a stone’s optical behavior—an essential step in gemstone identification.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned to distinguish isotropic from anisotropic stones\u003c\/li\u003e\n\u003cli\u003eRotating top polarizing lens for observation of interference effects\u003c\/li\u003e\n\u003cli\u003eDiffused bottom lens for even illumination\u003c\/li\u003e\n\u003cli\u003eAdditional removable lens positioned above the bottom lens\u003c\/li\u003e\n\u003cli\u003eIntegrated illumination with rear on\/off switch\u003c\/li\u003e\n\u003cli\u003eTabletop design for stable gemological examination\u003c\/li\u003e\n\u003cli\u003eNo batteries required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eVoltage\u003c\/th\u003e\n\u003ctd\u003e110–120 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Source\u003c\/th\u003e\n\u003ctd\u003eAC Outlet (No Batteries Required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003ctd\u003eRotating Top Lens, Fixed Bottom Diffused Lens, Removable Auxiliary Lens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufactured In\u003c\/th\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eThe included lenses function as polarizing elements and light diffusers; they do not provide magnification. For proper operation, connect to a compatible 110–120V outlet and ensure the stone is centered between the polarizing filters before rotating the top lens.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43583488229590,"sku":"161.160A","price":225.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/polariscope-tabletop-110v-otto-frei.jpg?v=1719956634"},{"product_id":"stone-shovel-2-3-4-x-2","title":"Stone Shovels- 2-3\/4\" x 2\"","description":"\u003cp\u003eThis versatile stone shovel—also known as a diamond shovel—is ideal for handling gemstones and other small items with control and efficiency. Designed for daily bench use, it makes counting, sorting, and packaging small quantities fast and reliable.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for gemstones and small parts handling\u003c\/li\u003e\n\u003cli\u003eIdeal for counting, sorting, and packaging small items\u003c\/li\u003e\n\u003cli\u003eLarger surface area for efficient scooping\u003c\/li\u003e\n\u003cli\u003eSuitable for professional jewelry bench and order preparation work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Size\u003c\/th\u003e\n\u003ctd\u003e2-3\/4 × 2 in (70 × 50 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eFor best control, use over a stone tray or parcel paper to reduce the risk of loss. Keep the shovel clean and free of debris to protect delicate stones and maintain accurate counts.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43583568085206,"sku":"151.095.5","price":3.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/stone-shovels-2-34-x-2-otto-frei.jpg?v=1719956601"},{"product_id":"gemological-refractometer-light-case-1-30-1-81","title":"Refractometer with Light \u0026 Case","description":"\u003cp\u003eRefractometers are a primary tool in gem identification, used to measure the refractive index of gemstones with precision. This refractometer features an easy-viewing lens, a measuring range of 1.30–1.81, and a minimum graduation value of 0.01. The set includes a compact storage case and a small flashlight to serve as a light source, ready-to-use kit for gemological work. \u003cstrong\u003eRefraction liquid is not included.\u003c\/strong\u003e Made in China.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMeasures refractive index across a 1.30–1.81 range\u003c\/li\u003e\n\u003cli\u003eMinimum graduation value of 0.01 for precise readings\u003c\/li\u003e\n\u003cli\u003eEasy-viewing lens design for comfortable use\u003c\/li\u003e\n\u003cli\u003eIncludes small flashlight for use as a light source\u003c\/li\u003e\n\u003cli\u003eComes with a compact storage case\u003c\/li\u003e\n\u003cli\u003eRefraction liquid is \u003cem\u003enot\u003c\/em\u003e included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMeasuring Range\u003c\/th\u003e\n\u003ctd\u003e1.30–1.81\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMinimum Graduation Value\u003c\/th\u003e\n\u003ctd\u003e0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRefractometer Dimensions\u003c\/th\u003e\n\u003ctd\u003e1-1\/8\" wide × 2-3\/4\" tall × 5-1\/8\" length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCase Dimensions\u003c\/th\u003e\n\u003ctd\u003e8\" × 4-1\/2\" × 2-3\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eChina\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eRefractometer\u003c\/li\u003e\n\u003cli\u003eSmall flashlight (light source)\u003c\/li\u003e\n\u003cli\u003eStorage case\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eRefraction liquid is \u003cstrong\u003enot included\u003c\/strong\u003e and must be purchased separately.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43583696765142,"sku":"161.141","price":195.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/refractometer-with-light-and-case-otto-frei.jpg?v=1719956538"},{"product_id":"x-small-diamond-stone-shovel","title":"Diamond \u0026 Stone X-Small 1-3\/4\" x 1-1\/4\" Shovel","description":"\u003cp\u003eThis X-Small diamond and stone shovel is designed for safely handling and transferring small quantities of diamonds, pearls, and other precious gemstones. Its compact size allows precise scooping and controlled movement, making parcel work clean and efficient at the bench.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCompact shovel for handling diamonds, pearls, and gemstones\u003c\/li\u003e\n\u003cli\u003eIdeal for parcel sorting and stone transfer\u003c\/li\u003e\n\u003cli\u003eSmall footprint for controlled, precise scooping\u003c\/li\u003e\n\u003cli\u003eSuitable for professional jewelry and gemology work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eOverall Size\u003c\/th\u003e\n\u003ctd\u003e1-3\/4 × 1-1\/4 in (44.5 × 31.8 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eUse over a stone tray or parcel paper to minimize the risk of loss during transfer. Keep the shovel clean and free of debris to prevent scratching delicate stones.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43584404324566,"sku":"151.097","price":1.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/diamond-and-stone-x-small-1-34-x-1-14-shovel-otto-frei.jpg?v=1719956215"},{"product_id":"super-diamond-sieves-42-plate-stainless-steel-47mm-66mm","title":"Super Diamond Sieves-47mm \u0026 66mm","description":"\u003cp\u003eSuper high quality diamond sieves manufactured to exacting standards for sorting rough and polished diamonds in bulk quantities, as well as other round stones. Built for consistent, repeatable grading, these stainless steel plates deliver smooth, precise separation you can feel with every shake.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eComplete 42-plate set covering diamond sizes 000–20\u003c\/li\u003e\n\u003cli\u003ePrecision-drilled plates for accurate stone separation\u003c\/li\u003e\n\u003cli\u003eSuitable for rough and polished diamonds and other round stones\u003c\/li\u003e\n\u003cli\u003eGraduated sizing increments for fine sorting control\u003c\/li\u003e\n\u003cli\u003eDurable stainless steel construction for long service life\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlate Count\u003c\/th\u003e\n\u003ctd\u003e42 Plates\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlate Sizes Included\u003c\/th\u003e\n\u003ctd\u003e000–20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Size Range\u003c\/th\u003e\n\u003ctd\u003e0.9–4.5 mm (0.035–0.177 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncrement Ranges\u003c\/th\u003e\n\u003ctd\u003e000–0: 0.9–1.1 mm in 0.1 mm steps; 1–5.5: 1.15–1.6 mm in 0.05 mm steps; 6–20: 1.7–4.5 mm in 0.1 mm steps\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\u003ePlate Diameter\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e135.494\u003c\/td\u003e\n\u003ctd\u003e47 mm (1.85 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e135.497\u003c\/td\u003e\n\u003ctd\u003e66 mm (2.59 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eDesigned for bulk sorting and professional grading environments. For best results, use on a stable, level surface and keep plates clean to maintain sizing accuracy.\u003c\/p\u003e\n\u003cp\u003eWant to buy several variants quickly? Open the Quick Order tab and add everything at once.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"47mm (1.85\")","offer_id":47551728877782,"sku":"135.494","price":65.0,"currency_code":"USD","in_stock":true},{"title":"66mm (2.59\")","offer_id":47551728910550,"sku":"135.497","price":95.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/super-diamond-sieves-47mm-and-66mm-otto-frei.jpg?v=1719955370"},{"product_id":"refractive-index-liquid-series-m-1-81-for-gempro-refractometer","title":"Refractive Index Liquid Series M 1.81 For Gempro Refractometer","description":"\u003cp\u003eRefractive Index Liquid Series M 1.81 is formulated for use with the GemPro Refractometer to obtain accurate gemstone refractive index readings. This contact liquid creates the necessary optical interface between the stone and prism, ensuring clear shadow edges and reliable measurement results.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSeries M refractive index liquid rated at 1.81\u003c\/li\u003e\n\u003cli\u003eDesigned for use with the GemPro Refractometer\u003c\/li\u003e\n\u003cli\u003eProvides proper optical contact between gemstone and prism\u003c\/li\u003e\n\u003cli\u003eSupplied in a small precision bottle for controlled application\u003c\/li\u003e\n\u003cli\u003eThis is the only refractive index liquid supplied for this instrument\u003c\/li\u003e\n\u003cli\u003eNon-returnable and non-refundable\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eRefractive Index\u003c\/th\u003e\n\u003ctd\u003e1.81\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003ctd\u003eM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Weight\u003c\/th\u003e\n\u003ctd\u003e10 g (0.35 oz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIntended Use\u003c\/th\u003e\n\u003ctd\u003eGemPro Refractometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eThis liquid may not be suitable for refractometers other than the GemPro Refractometer. Apply sparingly and clean the prism thoroughly after use to maintain instrument accuracy. This product is non-returnable and non-refundable.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":44832166445270,"sku":"161.146","price":110.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/refractive-index-liquid-series-m-1-81-for-gempro-refractometer-otto-frei.jpg?v=1708017348"},{"product_id":"gemoro-elite-1030led-portable-gem-microscope","title":"GemOro Elite 1030LED Microscope","description":"\u003cp\u003eThe GemOro ELITE 1030LED is an advanced portable gemological microscope designed for precision stone examination at the bench or in the field. Featuring sharp 10× and 30× optics and multi-position LED illumination, it delivers bright, clear views of inclusions and surface features in a compact, travel-ready format.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eErgonomically designed ELITE 1030LED base\u003c\/li\u003e\n\u003cli\u003e360° rotatable head with 10× and 30× precision optics\u003c\/li\u003e\n\u003cli\u003e3-position daylight LED lighting: base, overhead, and adjustable gooseneck\u003c\/li\u003e\n\u003cli\u003eDarkfield condenser and iris diaphragm for enhanced contrast control\u003c\/li\u003e\n\u003cli\u003eAC powered or rechargeable battery operation for portability\u003c\/li\u003e\n\u003cli\u003eComplete accessory package for professional gem examination\u003c\/li\u003e\n\u003cli\u003e1-year limited warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMagnification\u003c\/th\u003e\n\u003ctd\u003e10× and 30×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Rotation\u003c\/th\u003e\n\u003ctd\u003e360°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIllumination\u003c\/th\u003e\n\u003ctd\u003eDaylight LED (Base, Overhead, Gooseneck)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Source\u003c\/th\u003e\n\u003ctd\u003eAC Adapter\/Charger or Rechargeable Batteries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e1 Year Limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eGemOro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eQty\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eELITE 1030LED Microscope Base \u0026amp; Head\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10× Lenses\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDarkfield Condenser\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIris Diaphragm\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGem Clip\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAdjustable Gooseneck LED\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Guards\u003c\/td\u003e\n\u003ctd\u003eSet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrosted and Black\/White Plate\u003c\/td\u003e\n\u003ctd\u003eSet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRechargeable Batteries\u003c\/td\u003e\n\u003ctd\u003eSet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAC Adapter\/Charger\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDust Cover\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eDesigned for professional gemological use in laboratories, retail environments, and field settings. Use darkfield illumination and iris diaphragm adjustments to enhance visibility of inclusions and internal features.\u003c\/p\u003e","brand":"GemOro","offers":[{"title":"Default Title","offer_id":46398613422294,"sku":"129.058","price":499.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/129.058_thumb_8e4b8f5b-3a44-4c28-b963-581bbc3044b8.jpg?v=1734643813"},{"product_id":"gemoro-elite-1067t-trinocular-gem-microscope","title":"GemOro Elite 1067T Microscope","description":"\u003cp\u003eThe GemOro Elite 1067T is a top-of-the-line trinocular gemological microscope engineered for professional jewelers, gemologists, and appraisers. With precision 10×–67× zoom optics and an advanced multi-source LED illumination system, it delivers sharp, high-contrast views for diamond grading, colored stone analysis, and detailed jewelry inspection.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision 10×–67× zoom optics for crisp magnification across the full range\u003c\/li\u003e\n\u003cli\u003eTrinocular head with dedicated phototube for camera attachment (camera not included)\u003c\/li\u003e\n\u003cli\u003e55° inclined viewing angle for ergonomic, extended use\u003c\/li\u003e\n\u003cli\u003e360° rotating swivel head and base for flexible positioning and shared viewing\u003c\/li\u003e\n\u003cli\u003eRheostat-controlled LED darkfield\/brightfield illumination\u003c\/li\u003e\n\u003cli\u003eAdjustable iris diaphragm for enhanced contrast and depth control\u003c\/li\u003e\n\u003cli\u003eGooseneck daylight LED spot beam for targeted lighting\u003c\/li\u003e\n\u003cli\u003eOverhead daylight LED illumination for even stone and jewelry viewing\u003c\/li\u003e\n\u003cli\u003e100–120V AC powered for consistent lab performance\u003c\/li\u003e\n\u003cli\u003e1-year limited warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMagnification Range\u003c\/th\u003e\n\u003ctd\u003e10×–67×\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Type\u003c\/th\u003e\n\u003ctd\u003eTrinocular with Dedicated Phototube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eViewing Angle\u003c\/th\u003e\n\u003ctd\u003e55° Inclined\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead \u0026amp; Base Rotation\u003c\/th\u003e\n\u003ctd\u003e360°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIllumination\u003c\/th\u003e\n\u003ctd\u003eLED Darkfield\/Brightfield, Overhead LED, Gooseneck LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIris Diaphragm\u003c\/th\u003e\n\u003ctd\u003eAdjustable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePower Source\u003c\/th\u003e\n\u003ctd\u003e100–120V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003e1 Year Limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eGemOro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat’s Included\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eQty\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElite 1067T Trinocular Microscope\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEye Guards\u003c\/td\u003e\n\u003ctd\u003eSet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire Gem Clip\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDust Cover\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eThe trinocular phototube allows attachment of a compatible camera for image and video capture, supporting documentation, appraisals, training, and online listings. Camera not included.\u003c\/p\u003e","brand":"GemOro","offers":[{"title":"Default Title","offer_id":47509535719638,"sku":"129.067","price":2895.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/129.067_thumb_f11f3c95-6af7-45cb-871f-7eb129c9cc24.jpg?v=1763685512"},{"product_id":"london-dichroscope","title":"London Dichroscope","description":"\u003cp\u003eThe London Dichroscope is a compact gemological instrument used to observe pleochroism in transparent and translucent colored gemstones. By revealing differences in body color when viewed from different crystal directions, it helps gemologists distinguish many doubly refractive gemstones from single-refractive simulants. A quick glance through the viewing windows can reveal subtle color shifts that might otherwise go unnoticed.\u003c\/p\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eDesigned to detect pleochroism in colored gemstones.\u003c\/li\u003e \u003cli\u003eUses polarized light technology to display color differences side-by-side.\u003c\/li\u003e \u003cli\u003eProvides two viewing windows for easy color comparison.\u003c\/li\u003e \u003cli\u003eHelps distinguish many doubly refractive gemstones from single-refractive imitations.\u003c\/li\u003e \u003cli\u003eCompact handheld format suitable for fieldwork, trade shows, and laboratory use.\u003c\/li\u003e \u003cli\u003eReduces eye strain compared to traditional prism-based viewing methods.\u003c\/li\u003e \u003cli\u003eSimple operation with no power source required.\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e \u003ctable\u003e \u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eInstrument Type\u003c\/td\u003e\n\u003ctd\u003eDichroscope\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003ePrimary Function\u003c\/td\u003e\n\u003ctd\u003ePleochroism Observation\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eViewing Method\u003c\/td\u003e\n\u003ctd\u003eDual Polarized Viewing Windows\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eGemstone Identification and Examination\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/table\u003e \n\u003ch3\u003eNotes\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eFor best results, use a strong, evenly distributed white light source.\u003c\/li\u003e \u003cli\u003eView transparent or translucent colored gemstones with light passing through the stone.\u003c\/li\u003e \u003cli\u003eRotate both the gemstone and the instrument to locate the direction showing the strongest color contrast.\u003c\/li\u003e \u003cli\u003ePleochroism strength varies depending on gemstone species and crystal orientation.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":48317727441110,"sku":"161.167","price":63.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/161.167_thumb_4724c44b-6fc9-48da-a0cc-6f0b08a3943e.jpg?v=1780444581"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/collections\/super-diamond-sieves-47mm-and-66mm-otto-frei.jpg?v=1759159534","url":"https:\/\/www.ottofrei.com\/ja\/collections\/gemological-instruments-supplies.oembed","provider":"Otto Frei","version":"1.0","type":"link"}