SaveBuy NowVintage GIA Certified 18.85ct Star Sapphire Diamond Halo Pendant in PlatinumDiamond Depot4.3(10)$5,660
SaveBuy NowAntique Art Deco 14k White Gold Platinum Diamond Filigree Tennis Bracelet 1.39ctwDiamond Depot4.3(10)$3,820
SaveBuy NowDavid Webb 1960s Platinum 18K Gold Diamond Openwork Bracelet 8 CtsDiamond Depot4.3(10)$29,880
SaveBuy NowVintage GIA 6.90ctw Ceylon Pink Sapphire Diamond Swirl Ring PlatinumDiamond Depot4.3(10)$9,360
SaveFeb 22, 2026PLATINUM/12K WHITE GOLD VINTAGE LADY'S WATCH 2.00CTS OF NATURAL DIAMONDS, 17JModern Jewelry4.5(204)Est. $4,071-$4,550$3,350
SaveBuy NowArt Deco Platinum Mini Flower Brooch with 3 Carats Diamonds and AquamarineDiamond Depot4.3(10)$4,280
SaveBuy NowPlatinum GIA Certified 2.81ct Oval Tanzanite Diamond Cocktail RingDiamond Depot4.3(10)$1,970
SaveBuy NowTiffany & Co. Harmony Platinum Diamond Band Ring 0.23ct Size 5.25Bidhaus4.2(837)$2,220(1 bid)
SaveBuy NowAntique Edwardian Tiffany & Co. 5ctw Diamond Comb in Platinum and GoldDiamond Depot4.3(10)$18,630
SaveBuy Now1980s Platinum 18K Yellow Gold 5 Carat Octagon Diamond Estate RingDiamond Depot4.3(10)$5,470
SaveMar 08, 2026VINTAGE PLATINUM ENGAGEMENT RING 8.16CT.NATURAL COLOMBIA GREEN EMERALD CABOCHONModern Jewelry4.5(204)Est. $7,905-$8,835$6,500
SaveBuy NowCustom Made Platinum 1.19ct Bezel Set 5 Stone Diamond Wedding BandDiamond Depot4.3(10)$3,350
SaveBuy NowVintage Platinum 0.27ctw Diamond Band Ring Dual Two Row Pave SettingDiamond Depot4.3(10)$940
SaveBuy NowScott Kay Men's Platinum Wide Wedding Band Ring with .24ct Diamonds Sz 9Diamond Depot4.3(10)$1,970
SaveBuy NowVintage French 18k Gold Platinum 0.75ct Diamond Wrap Ring Size 6Diamond Depot4.3(10)$3,780
SaveMar 08, 2026VINTAGE PLATINUM ENGAGEMENT RING 4.51CT. NATURAL OVAL BLUE SAPPHIRE GIA CERTModern Jewelry4.5(204)Est. $13,515-$15,105$11,000
SaveBuy NowVintage Platinum 1.30ctw 5 Stone Fishtail Pave Set Diamond Band RingDiamond Depot4.3(10)$2,890