6 days LeftPlatinum Setting with 1.81ct Fancy Yellow Center Diamond and 2.93tcw Diamond Ladies RingEst. $26,589-$31,258$50Riverside GalleriesArcadia, CA
2 days Left18K Yellow Gold, Platinum, Baroque Pearl, and Diamond Flower Pin BroochEst. $4,000-$5,500$2,750Hampton Estate AuctionNew York, NY
2 days LeftOscar Friedman Platinum Diamond Tennis Bracelet 11.50 Carat Total Diamond WeightEst. $8,000-$9,000$3,000Coral Gables AuctionCoral Gables, FL
4 days LeftArt Deco Platinum Chandelier Earrings 7.75 Ct Diamonds South Sea PearlsEst. $8,125-$10,562$100Mynt AuctionsNew York, NY
Live NowHarry Winston Platinum Gold Multi-Stone Dress Set Cufflinks and Studs with BoxEst. $13,156-$17,102$10,000Mynt AuctionsNew York, NY
5 days LeftPlatinum and 10K White Gold Setting with 1.41ct Emerald and 0.86ct Diamond PendantEst. $9,365-$11,147$50Riverside GalleriesArcadia, CA
14 hrs LeftDavid Webb Rock Crystal Maltese Cross Pendant Brooch in Platinum and 18K Yellow GoldEst. $36,114-$46,948$100(1 bid)Mynt AuctionsNew York, NY
3 days LeftPlatinum Brooch with 23.00 Ct Diamonds and 3.75 Ct Colombian EmeraldEst. $33,943-$44,125$100BidhausNew York, NY
3 days LeftPlatinum Engagement Ring 1.50 Ct Cushion-Cut Diamond I-J SI2Est. $7,241-$9,413$100BidhausNew York, NY
7 days LeftGIA Certified No Heat Purple Violet Sapphire Diamond Ring in PlatinumEst. $6,773-$8,804$100BidhausNew York, NY
3 days LeftPlatinum Diamond Eternity Band with Greek Key Motif and Engraved SidesEst. $2,912-$3,785$100BidhausNew York, NY
2 days LeftGIA Certified 4.67ct Pink Peachy Tourmaline Diamond Ring in Gold & PlatinumEst. $2,301-$2,991$100BidhausNew York, NY
11 hrs LeftPlatinum Charm Bracelet With Star Sapphires Diamonds and Natural Pearls Art Deco EraEst. $25,792-$33,529$100BidhausNew York, NY
5 days LeftStunning 18K Platinum Diamond Earrings 5.20 Ct 40 Diamonds H-J VS1-SI3Est. $6,084-$7,909$100BidhausNew York, NY
2 days LeftPlatinum 11.00 Ct Oval Diamond Eternity Band 14 Diamonds F-G VVS-VSEst. $43,446-$56,479$23,250BidhausNew York, NY
Jul 07, 2026ANTIQUE PLATINUM 2.4CT DIAMOND AND CORAL BAR BROOCHEst. $2,400-$9,600$2,400Robinhood AuctionsLas Vegas, NV
2 days LeftArt Deco Platinum 11.10 Ct Diamond Earrings 110 Diamonds F-H VVS-VS2Est. $10,842-$14,094$100BidhausNew York, NY
3 days LeftDavid Webb Platinum 18K Yellow Gold Bull Bracelet with Black Enamel Ruby DiamondEst. $93,171-$121,122$100BidhausNew York, NY
Live NowArt Deco Platinum Eternity Band 1.00 Ct Baguette Diamonds F-G VVS-VSEst. $1,183-$1,537$100Mynt AuctionsNew York, NY
Live NowArt Deco Platinum Diamond Earrings 132 Diamonds F-G VVS-VS 1.25 InchEst. $10,569-$13,739$100BidhausNew York, NY
2 days LeftPlatinum Necklace with Natural Pearls and Rose Cut Diamonds Art Deco 29 InchEst. $17,095-$22,223$100BidhausNew York, NY
2 days LeftDavid Webb 18K Yellow Gold Platinum Diamond Dome Clip On EarringsEst. $17,095-$22,223$100BidhausNew York, NY
5 days LeftVintage GIA Certified 15.97ct Blue Star Sapphire Diamond Ring in PlatinumEst. $18,083-$23,507$100Mynt AuctionsNew York, NY