5 days LeftPlatinum Art Deco Brooch with 8.40 Carat Diamonds and Emerald AccentEst. $9,347-$12,151$100BidhausNew York, NY
1 day LeftArt Deco Platinum Brooch with 3.00 Ct Ruby and 96 DiamondsEst. $9,074-$11,796$100BidhausNew York, NY
1 day LeftCartier LOVE Platinum Band Ring 5.5mm Size 50 US 5 AuthenticEst. $2,782-$3,616$100BidhausNew York, NY
4 days LeftAntique Art Deco Platinum 1.9mm Wheat Etched Band Ring Size 3.5Est. $1,066-$1,385$100BidhausNew York, NY
3 days Left27 Ct Diamond by the Yard Necklace in Platinum 52 InchesEst. $28,509-$37,061$100BidhausNew York, NY
3 days LeftArt Deco Platinum Bracelet 9.00 Ct Diamonds K-L VVS ClarityEst. $7,579-$9,852$100BidhausNew York, NY
5 days LeftPlatinum Art Deco Ring with 5.07 Ct Pear Diamond GIA CertifiedEst. $130,533-$169,692$100Mynt AuctionsNew York, NY
3 days LeftArt Deco Platinum Diamond Band 3.70 Ct F-H VVS-VSEst. $2,964-$3,853$100BidhausNew York, NY
2 days LeftArt Deco Platinum Diamond Pendant 1.50 Ct Center 21.00 Ct TotalEst. $23,075-$29,997$100Mynt AuctionsNew York, NY
17 hrs LeftPlatinum GIA Old Mine Cut Diamond Stud Earrings 2.01ctw Bezel SetEst. $7,579-$9,852$100BidhausNew York, NY
2 days LeftPlatinum Diamond Ring GIA 6.33 Ct I Color VS2 Size 7.5Est. $172,640-$224,432$100BidhausNew York, NY
2 hrs LeftGHISO Art Deco Platinum Pocket Watch with 5.00 Ct Rubies 45mmEst. $4,459-$5,796$100BidhausNew York, NY
Jul 08, 2026Art Deco Platinum and Diamond RingEst. $10,000-$15,000$5,000Kodner Galleries Inc.Dania Beach, FL
5 days LeftArt Deco Platinum Brooch 5.25 Ct Diamonds 71 Round 13 BaguetteEst. $5,005-$6,506$100BidhausNew York, NY
5 days LeftPlatinum Ring 6.04 Ct Marquise Diamond K SI3 with 2 DiamondsEst. $73,476-$95,518$100BidhausNew York, NY
Jul 08, 2026Art Deco Platinum and Diamond RingEst. $10,000-$15,000$5,000Kodner Galleries Inc.Dania Beach, FL
20 hrs LeftPlatinum 900 Ring with White Pearl and Diamond Accents Size 49Est. $897-$1,166$100Mynt AuctionsNew York, NY
2 days LeftPLATINUM 32.72 CTW DIAMOND TENNIS NECKLACE 49GEst. $20,000-$60,000$4,100(11 bids)DejaVu Estate Sales & Auctions, LLCWest Palm Beach, FL
Jul 10, 2026Platinum, Diamond, & 6 CT Ruby EarringsEst. $5,000-$7,000$3,500Merrill's Auctioneers and AppraisersWilliston, VT
3 days LeftPlatinum, Sapphire, and Diamond Three Stone RingEst. $1,400-$1,800$900Hampton Estate AuctionNew York, NY
Jul 08, 2026Oscar Friedman Platinum Tanzanite and Diamond RingEst. $2,500-$3,000$1,100(2 bids)Coral Gables AuctionCoral Gables, FL
2 days LeftOSCAR FRIEDMAN GIA PLATINUM & SAPPHIRE RING 8.4GEst. $2,000-$4,000$600(4 bids)DejaVu Estate Sales & Auctions, LLCWest Palm Beach, FL
6 days LeftPlatinum Ladies Ring with 2.09ct GIA Certified Sapphire and 0.91tcw Adjacent DiamondsEst. $26,525-$30,250$50Riverside GalleriesArcadia, CA
Aug 02, 2026Art Deco Platinum Diamond & Sapphire Duchess RingEst. $900-$1,000$450Case Antiques, Inc. Auctions & AppraisalsKnoxville, TN