7 days LeftAntique 18k Yellow Gold Platinum Sapphire Diamond 3 Stone RingEst. $2,298-$2,574$1,025Diamond DepotNew York, NY
Jul 15, 2026PLATINUM ART DECO RING WITH 2.1CT CIRCULAR BRILLIANT DIAMOND 0.08CT SAPPHIRE GIAEst. $29,648-$33,136$24,250Modern JewelryValley Village, CA
Buy NowART DECO DIAMOND PLATINUM 14K GOLD RECTANGLE GATE LINK BRACELET$4,673Modern JewelryValley Village, CA
Jul 21, 2026EDWARDIAN DIAMOND PLATINUM BROOCH PIN OPEN-WORK 1910S 3.47 CTSEst. $21,675-$24,225$17,750Modern JewelryValley Village, CA
Jul 12, 2026PLATINUM WITH 18KT GOLD RING, 0.57CT CENTER, 1.37CTW DIAMONDS ( SIZE: 6.75 ) 10GEst. $3,910-$4,370$3,200Modern JewelryValley Village, CA
Buy NowGIA Certified Platinum Black Opal Diamond Cluster Ring Size 6.5$6,600Diamond DepotNew York, NY
Buy NowPlatinum Ring with GIA Certified No Heat Ceylon Blue Star Sapphire and Diamonds$4,740Diamond DepotNew York, NY
Buy NowTiffany & Co. Platinum 0.31ct Lucida Diamond Solitaire Ring$2,000Eastern European Art Gallery IncBroomall, PA
Buy NowART DECO PLATINUM 1.40CT DIAMOND ROUND TOP FLORAL STYLE RING$6,654Modern JewelryValley Village, CA
7 days Left14K White Gold Lab Grown Diamond 2 Ct.Tw. Elongated Radiant Cut Three Stone Engagement RingEst. $1,846-$2,399$100BidhausNew York, NY
Buy NowGIA 7.87CT NATURAL NO HEAT VIVID PURPLE SAPPHIRE DIAMOND RING PLATINUM 10355 *v$17,670Jasper52New York, NY
Buy NowEDWARDIAN DIAMOND PLATINUM BROOCH PIN OPEN-WORK 1910S 3.47 CTS$21,675Modern JewelryValley Village, CA
Buy NowHarbor Diamonds Platinum Ring 10.87ct Oval Aquamarine Halo Diamonds$12,600Diamond DepotNew York, NY
Jul 19, 2026ART DECO PLATINUM 1.40CT DIAMOND ROUND TOP FLORAL STYLE RINGEst. $6,654-$7,437$5,400Modern JewelryValley Village, CA
Buy NowPlatinum GIA Certified 1.61ctw Colombian Emerald & Diamond Engagement Ring$3,500Diamond DepotNew York, NY
Buy NowVintage Platinum 1.69ct Colombian Emerald Diamond Halo Pendant Necklace 16in$1,970Diamond DepotNew York, NY
Buy Now18k White Gold Platinum Pink Spinel Diamond Drop Necklace Adjustable Chain$1,970(18 bids)Mynt AuctionsNew York, NY
Buy NowVintage Platinum GIA Certified 3.89ctw Burma A Jade Diamond Ballerina Ring$9,280Diamond DepotNew York, NY
Buy NowGIA Certified Platinum Ring With No Heat Color Change Sapphire and Diamonds$2,890Diamond DepotNew York, NY