SaveBuy Now1.32ct GIA Fancy Intense Yellow Emerald Cut Diamond Engagement RingBidhaus4.2(837)$9,570(14 bids)
SaveMar 08, 2026VINTAGE PLATINUM RING 2.07CT.NATURAL AQUAMARINE & DIAMOND CIRC 1930'SModern Jewelry4.5(204)Est. $7,905-$8,835$6,500
SaveFeb 22, 2026PLATINUM WITH 18KT GOLD RING, 0.57CT CENTER, 1.37CTW DIAMONDS SIZE: 6.75Modern Jewelry4.5(204)Est. $3,391-$3,790$2,750
SaveBuy NowGIA Certified 4.71ct Oval Cabochon Purple Star Sapphire Diamond Ring in PlatinumDiamond Depot4.3(10)$2,890
SaveMar 08, 20266.04CT. PLATINUM VINTAGE FILIGREE ENGAGEMENT RING NATURAL BLUE SAPPHIRE GIA CERTModern Jewelry4.5(204)Est. $11,645-$13,015$9,500
SaveFeb 22, 2026SCOTT KAY 950 PLATINUM RING EURO SHANK WITH 0.75CT CENTER, 1.00CTW DIAMONDSModern Jewelry4.5(204)Est. $3,398-$3,798$2,750
SaveBuy NowVintage Handmade Platinum Brooch 20.50ct GIA Aquamarine & DiamondDiamond Depot4.3(10)$5,660
SaveBuy NowStunning Platinum Cocktail Ring 4.06ct Diamonds Marquise Size 8Diamond Depot4.3(10)$14,210
SaveBuy NowPlatinum Floral Ballerina Cocktail Ring 3.13ctw Opal DiamondMynt Auctions4.4(828)$2,840(18 bids)
SaveBuy NowPlatinum GIA 3.55ct Colombian Emerald Diamond Ballerina Cocktail RingDiamond Depot4.3(10)$5,660
SaveBuy NowPlatinum Floral Brooch with Diamond Ruby Emerald Sapphire AccentsDiamond Depot4.3(10)$8,650
SaveBuy NowAuthentic! T Foster & Co Platinum Flower 4.84ctw Diamond Stud Halo Earrings GIAChairish Auctions4.5(10.3k)$30,000
SaveBuy NowVintage Platinum GIA Certified 9.91ctw Sapphire Diamond Dangle EarringsDiamond Depot4.3(10)$14,000
SaveBuy NowSquare Blue Sapphire and Diamond Platinum Cuff Earrings with 14k White Gold PostsDiamond Depot4.3(10)$3,710
SaveBuy NowAntique Art Deco Platinum Diamond Ribbon Bow Wreath Brooch 1.70ctwDiamond Depot4.3(10)$1,970
SaveBuy NowVintage GIA Certified Oval Green Jade & 0.89ct Diamond Filigree Cocktail Ring PlatinumDiamond Depot4.3(10)$6,590