6 days LeftVintage Platinum GIA Certified 10.47ct Peridot Diamond Cocktail RingEst. $7,722-$10,038$100BidhausNew York, NY
1 day LeftDiamond Necklace 81.00 Carats Old Mine 18K White Gold Platinum 17 InchEst. $321,201-$359,745$145,000Diamond DepotNew York, NY
3 days LeftGIA Certified Platinum Diamond Engagement Ring 2.15ctw Round Accents Size 6.5Est. $11,518-$14,973$100Mynt AuctionsNew York, NY
6 days LeftPlatinum GIA Certified 22.91ct Spessartine Garnet Diamond RingEst. $38,155-$49,601$100Mynt AuctionsNew York, NY
3 days LeftGIA Certified Platinum Ring with Old European and Baguette Diamonds 2.07ctwEst. $11,518-$14,973$100Mynt AuctionsNew York, NY
3 days LeftPlatinum Cocktail Ring with GIA Colombian Marquise Emerald and Diamond HaloEst. $6,773-$8,804$100BidhausNew York, NY
1 day LeftAntique Platinum 14k Gold Diamond Halo Earrings with 9.2mm PearlsEst. $4,862-$6,320$100BidhausNew York, NY
5 days LeftAntique Platinum 1.50ct GIA Certified Diamond & Pearl Bypass RingEst. $6,201-$8,061$100Mynt AuctionsNew York, NY
Jul 10, 202618K Platinum Yellow Gold 1.39ctw Natural Unheated Ruby Corundum and Diamond Ring, Size 6.75Est. $10-$10,000$10(1 bid)Kraft Auction ServiceSyracuse, IN
4 days LeftPlatinum Cocktail Ring With GIA Ceylon No Heat Blue Sapphire and Baguette DiamondsEst. $2,873-$3,734$1,725BidhausNew York, NY
3 days LeftPlatinum Ruby Diamond Eternity Wedding Band Ring Size 7Est. $5,811-$7,554$100BidhausNew York, NY
Jul 09, 2026Platinum GIA Certified 2.27ctw Black Opal Diamond Cocktail RingEst. $3,913-$5,086$2,150BidhausNew York, NY
5 days LeftAntique Platinum GIA Certified 1.20ct Old Mine Diamond Pendant NecklaceEst. $3,887-$5,053$1,800BidhausNew York, NY
4 hrs LeftAntique Edwardian 14k Gold Platinum GIA 1.56ct Sapphire Diamond RingEst. $3,627-$4,715$100(1 bid)BidhausNew York, NY
Jul 10, 2026GIA Certified Platinum Ruby Diamond Cluster Cocktail Ring Size 5Est. $4,862-$6,320$100BidhausNew York, NY
3 days LeftAntique Art Deco Platinum Ring GIA 1.18ct Round Diamond Stack LookEst. $6,760-$8,788$100BidhausNew York, NY
1 day LeftPlatinum 1.96ctw Emerald Diamond Ballerina Ring Natural GVS2Est. $3,445-$4,478$100BidhausNew York, NY
5 days LeftPlatinum GIA Certified 8.12ct A Jade Diamond Halo RingEst. $7,722-$10,038$100Mynt AuctionsNew York, NY
Jul 23, 2026Belle Epoque Platinum, Gold, Opal and Diamond PendantEst. $2,000-$3,000$1,000DOYLE Auctioneers & AppraisersNew York, NY
Jul 10, 2026Tiffany & Co. 18k Gold Platinum Diamond X Pendant ChainEst. $5,759-$7,486$100Mynt AuctionsNew York, NY
4 days LeftGIA Certified 3.67ct Platinum Octagonal Green Emerald Diamond RingEst. $6,292-$8,179$100BidhausNew York, NY
Jul 09, 2026Art Deco platinum ring with 1.00ct diamond and sapphiresEst. $3,679-$4,782$100Mynt AuctionsNew York, NY
3 days LeftPlatinum 1.36ctw Round Bezel 5 Stone Diamond Wedding Band RingEst. $3,445-$4,478$100BidhausNew York, NY
4 days Left18k Gold Platinum 2.34ct GIA No Heat Purple Sapphire Diamond RingEst. $9,607-$12,489$100BidhausNew York, NY