4 days LeftPlatinum Ring with 4.73 Carat GIA Round Diamond H I2Est. $25,792-$33,529$100Mynt AuctionsNew York, NY
2 days LeftArt Deco Platinum Diamond Onyx Hairpin Brooch Necklace 18K ChainEst. $8,125-$10,562$100BidhausNew York, NY
13 hrs LeftArt Deco Platinum 6.85 Ct Diamond Earrings with 2 Center StonesEst. $20,358-$26,465$100BidhausNew York, NY
Jul 05, 2026GIA Certified Platinum Alexandrite Diamond Ring Brazil Size 5.5Est. $16,276-$21,158$100BidhausNew York, NY
3 days LeftArt Deco Platinum Brooch with 5.00ct Diamond and Pearl Flower DesignEst. $8,060-$10,478$100BidhausNew York, NY
1 day LeftFrench 950 Platinum Diamond Flower Brooch NecklaceEst. $3,159-$4,106$2,400Mynt AuctionsNew York, NY
6 days LeftPlatinum Double Halo Fancy Yellow Diamond Ring 1.05 CaratEst. $7,319-$9,514$100BidhausNew York, NY
Jul 05, 2026Platinum Flower Brooch with 2.81 Ct Emerald and 17.55 Ct DiamondsEst. $20,358-$26,465$100BidhausNew York, NY
6 days Left3.03 Ct Fancy Yellow Diamond Platinum Ring with EGL Laser EngravingEst. $18,993-$24,690$100BidhausNew York, NY
6 days LeftArt Deco platinum ring GIA certified sapphire diamond 3.34ctwEst. $7,722-$10,038$100BidhausNew York, NY
3 days LeftPlatinum Art Deco Diamond Ring Featuring 2.96 Carat Center StoneEst. $16,952-$22,037$100Mynt AuctionsNew York, NY
5 days LeftEarrings in Platinum and 18K Gold Featuring Rubies and DiamondsEst. $16,146-$20,989$100BidhausNew York, NY
7 hrs LeftFrench 950 Platinum Diamond Necklace Brooch 5 ct G VS DiamondsEst. $7,501-$9,751$100Mynt AuctionsNew York, NY
4 days LeftArt Deco Platinum Brooch with 1.00 Ct Sapphire and 72 DiamondsEst. $10,842-$14,094$100Mynt AuctionsNew York, NY
4 days LeftPlatinum Art Deco Brooch with 4.20 Carat DiamondsEst. $3,354-$4,360$100BidhausNew York, NY
Jul 03, 2026Vintage Art Deco Platinum Brooch 7.00cts Diamond Filigree DesignEst. $10,296-$13,384$100BidhausNew York, NY
7 days Left1950s Platinum Diamond Ring 2.05 Ct Marquise K VVS ClarityEst. $8,541-$11,103$100BidhausNew York, NY
Jul 03, 2026GIA Platinum Cocktail Ring Fancy Orangy Brown Diamond TrioEst. $8,567-$11,137$100BidhausNew York, NY
4 days Left1940s Retro Platinum 18K Gold Diamond Fan Earrings 7 CtsEst. $10,296-$13,384$100BidhausNew York, NY
4 days LeftDavid Webb Platinum 18K Yellow Gold Hammered Clip EarringsEst. $14,378-$18,691$100BidhausNew York, NY
5 days LeftGIA Platinum Ring with Cushion Purple Sapphire and Diamond SidesEst. $3,913-$5,086$2,300BidhausNew York, NY
4 days LeftArt Deco Platinum and Old European Cut Diamond Shamrock Design RingEst. $900-$1,200$600Hampton Estate AuctionNew York, NY
2 days Left3.50 Carat Emerald and Diamond Platinum Ring Size 7Est. $7,449-$9,683$100BidhausNew York, NY