{"product_id":"platinum-4-prong-round-double-gallery-cast-settings-2-12mm-victor-joseph","title":"Platinum Round Double Gallery 4-Prong Cast Settings","description":"\u003cp\u003ePlatinum round double gallery 4-prong cast settings sized for round stones from small accent sizes up to substantial center stones. Available in 22 stone sizes spanning approximately 0.03 ct to 5.0 ct (2.0–12.0 mm), these settings are made from 100% recycled platinum by Victor-Joseph, a long-established U.S. manufacturer of precious metal findings. The open double gallery construction allows light to enter the stone from multiple angles, while the four-prong configuration holds each stone securely with a clean, classic profile suited to solitaire rings, pendants, and earrings.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eClassic 4-prong round double gallery design for versatile use in rings, pendants, and earrings\u003c\/li\u003e\n\u003cli\u003e22 stone size options covering approximately 0.03 ct to 5.0 ct round stones (2.0–12.0 mm)\u003c\/li\u003e\n\u003cli\u003eCast construction with defined prong structure for reliable stone seating and bench finishing\u003c\/li\u003e\n\u003cli\u003eOpen double gallery admits light from multiple angles for enhanced stone brilliance\u003c\/li\u003e\n\u003cli\u003eProportioned heights and shoulder widths support the stone while maintaining a refined profile\u003c\/li\u003e\n\u003cli\u003eCast in 100% recycled platinum by Victor-Joseph (Joseph Castings 4RH series)\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eSold individually — order exactly the quantity your job requires\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSetting Style\u003c\/th\u003e\n\u003ctd\u003eRound double gallery 4-prong cast setting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Shape\u003c\/th\u003e\n\u003ctd\u003eRound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStone Size Range\u003c\/th\u003e\n\u003ctd\u003e2.0–12.0 mm; approx. 0.03–5.0 ct (round diamond equivalent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNumber of Sizes\u003c\/th\u003e\n\u003ctd\u003e22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMetal Type\u003c\/th\u003e\n\u003ctd\u003ePlatinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial Source\u003c\/th\u003e\n\u003ctd\u003e100% recycled platinum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSeries\u003c\/th\u003e\n\u003ctd\u003eJoseph Castings 4RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManufacturer\u003c\/th\u003e\n\u003ctd\u003eVictor-Joseph\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\u003eSold By\u003c\/th\u003e\n\u003ctd\u003ePiece\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\u003eStone Size (ct)\u003c\/th\u003e\n\u003cth\u003eStone Size (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-419\u003c\/td\u003e\n\u003ctd\u003e0.03 ct\u003c\/td\u003e\n\u003ctd\u003e2.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-420\u003c\/td\u003e\n\u003ctd\u003e0.05 ct\u003c\/td\u003e\n\u003ctd\u003e2.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-421\u003c\/td\u003e\n\u003ctd\u003e0.07 ct\u003c\/td\u003e\n\u003ctd\u003e2.75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-422\u003c\/td\u003e\n\u003ctd\u003e0.10 ct\u003c\/td\u003e\n\u003ctd\u003e3.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-422.5\u003c\/td\u003e\n\u003ctd\u003e0.12 ct\u003c\/td\u003e\n\u003ctd\u003e3.25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-423\u003c\/td\u003e\n\u003ctd\u003e0.15 ct\u003c\/td\u003e\n\u003ctd\u003e3.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-424\u003c\/td\u003e\n\u003ctd\u003e0.25 ct\u003c\/td\u003e\n\u003ctd\u003e4.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-425\u003c\/td\u003e\n\u003ctd\u003e0.33 ct\u003c\/td\u003e\n\u003ctd\u003e4.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-425.5\u003c\/td\u003e\n\u003ctd\u003e0.45 ct\u003c\/td\u003e\n\u003ctd\u003e4.75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-426\u003c\/td\u003e\n\u003ctd\u003e0.50 ct\u003c\/td\u003e\n\u003ctd\u003e5.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-427\u003c\/td\u003e\n\u003ctd\u003e0.65 ct\u003c\/td\u003e\n\u003ctd\u003e5.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-428\u003c\/td\u003e\n\u003ctd\u003e0.75 ct\u003c\/td\u003e\n\u003ctd\u003e6.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-429\u003c\/td\u003e\n\u003ctd\u003e1.0 ct\u003c\/td\u003e\n\u003ctd\u003e6.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-430\u003c\/td\u003e\n\u003ctd\u003e1.25 ct\u003c\/td\u003e\n\u003ctd\u003e7.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-431\u003c\/td\u003e\n\u003ctd\u003e1.5 ct\u003c\/td\u003e\n\u003ctd\u003e7.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-432\u003c\/td\u003e\n\u003ctd\u003e2.0 ct\u003c\/td\u003e\n\u003ctd\u003e8.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-433\u003c\/td\u003e\n\u003ctd\u003e2.5 ct\u003c\/td\u003e\n\u003ctd\u003e8.25 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-435\u003c\/td\u003e\n\u003ctd\u003e3.0 ct\u003c\/td\u003e\n\u003ctd\u003e9.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-436\u003c\/td\u003e\n\u003ctd\u003e4.0 ct\u003c\/td\u003e\n\u003ctd\u003e10.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-437\u003c\/td\u003e\n\u003ctd\u003e4.25 ct\u003c\/td\u003e\n\u003ctd\u003e11.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-437.5\u003c\/td\u003e\n\u003ctd\u003e4.5 ct\u003c\/td\u003e\n\u003ctd\u003e11.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1B-438\u003c\/td\u003e\n\u003ctd\u003e5.0 ct\u003c\/td\u003e\n\u003ctd\u003e12.0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eStone size designations are based on round diamond equivalents; actual fit may vary slightly depending on stone material and cutting style.\u003c\/p\u003e\n\u003cp\u003eMatching settings in 14K yellow, 14K white, 18K yellow, and 18K white gold are available under separate part numbers.\u003c\/p\u003e\n\u003cp\u003eAll settings are sold by the piece.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Platinum \/ .03ct (2.0mm)","offer_id":47551636865238,"sku":"1B-419","price":20.85,"currency_code":"USD","in_stock":true},{"title":"Platinum \/ .05ct (2.5mm)","offer_id":47551636898006,"sku":"1B-420","price":25.45,"currency_code":"USD","in_stock":true},{"title":"Platinum \/ .07ct (2.75mm)","offer_id":47551637323990,"sku":"1B-421","price":29.54,"currency_code":"USD","in_stock":true},{"title":"Platinum \/ .10ct (3.0mm)","offer_id":47551637356758,"sku":"1B-422","price":34.66,"currency_code":"USD","in_stock":true},{"title":"Platinum \/ .12ct (3.25mm)","offer_id":47551636930774,"sku":"1B-422.5","price":45.91,"currency_code":"USD","in_stock":true},{"title":"Platinum \/ .15ct (3.5mm)","offer_id":47551637389526,"sku":"1B-423","price":51.03,"currency_code":"USD","in_stock":true},{"title":"Platinum \/ .25ct (4.0mm)","offer_id":47551637422294,"sku":"1B-424","price":57.16,"currency_code":"USD","in_stock":true},{"title":"Platinum \/ .33ct (4.5mm)","offer_id":47551636963542,"sku":"1B-425","price":76.6,"currency_code":"USD","in_stock":true},{"title":"Platinum \/ .45ct (4.75mm)","offer_id":47551636996310,"sku":"1B-425.5","price":85.81,"currency_code":"USD","in_stock":true},{"title":"Platinum \/ .50ct (5.0mm)","offer_id":47551637029078,"sku":"1B-426","price":96.04,"currency_code":"USD","in_stock":true},{"title":"Platinum \/ .65ct (5.5mm)","offer_id":47551637455062,"sku":"1B-427","price":95.28,"currency_code":"USD","in_stock":true},{"title":"Platinum \/ .75ct (6.0mm)","offer_id":47551637061846,"sku":"1B-428","price":130.06,"currency_code":"USD","in_stock":true},{"title":"Platinum \/ 1.0ct (6.5mm)","offer_id":47551637487830,"sku":"1B-429","price":156.25,"currency_code":"USD","in_stock":true},{"title":"Platinum \/ 1.25ct (7.0mm)","offer_id":47551637094614,"sku":"1B-430","price":167.91,"currency_code":"USD","in_stock":true},{"title":"Platinum \/ 1.5ct (7.5mm)","offer_id":47551637553366,"sku":"1B-431","price":156.66,"currency_code":"USD","in_stock":true},{"title":"Platinum \/ 2.0ct (8.0mm)","offer_id":47551637127382,"sku":"1B-432","price":173.03,"currency_code":"USD","in_stock":true},{"title":"Platinum \/ 2.5ct (8.25mm)","offer_id":47551637160150,"sku":"1B-433","price":170.48,"currency_code":"USD","in_stock":true},{"title":"Platinum \/ 3.0ct (9.5mm)","offer_id":47551637520598,"sku":"1B-435","price":224.7,"currency_code":"USD","in_stock":true},{"title":"Platinum \/ 4.0ct (10.0mm)","offer_id":47551637192918,"sku":"1B-436","price":239.03,"currency_code":"USD","in_stock":true},{"title":"Platinum \/ 4.25ct (11.0mm)","offer_id":47551637225686,"sku":"1B-437","price":299.57,"currency_code":"USD","in_stock":true},{"title":"Platinum \/ 4.5ct (11.5mm)","offer_id":47551637258454,"sku":"1B-437.5","price":284.22,"currency_code":"USD","in_stock":true},{"title":"Platinum \/ 5.0ct (12.0mm)","offer_id":47551637291222,"sku":"1B-438","price":402.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/platinum-round-double-gallery-4-prong-cast-settings-otto-frei.jpg?v=1719954404","url":"https:\/\/www.ottofrei.com\/ja\/products\/platinum-4-prong-round-double-gallery-cast-settings-2-12mm-victor-joseph","provider":"Otto Frei","version":"1.0","type":"link"}