2 hrs LeftAntique Art Deco Platinum Cushion Diamond Sapphire Halo Ring 1.85ctwEst. $6,773-$8,804$100BidhausNew York, NY
22 hrs LeftArt Deco Platinum Bracelet 15ct Diamond 8ct French Cut SapphireEst. $32,136-$41,776$100BidhausNew York, NY
3 days LeftArt Deco Platinum 8.81 Ct Diamond Engagement Ring J Color I1 ClarityEst. $71,435-$92,865$54,500Mynt AuctionsNew York, NY
2 hrs LeftAntique Art Deco Platinum 1.83ctw Old European Cut Diamond RingEst. $6,669-$8,669$100BidhausNew York, NY
Jun 05, 2026Art Deco Platinum Brooch with 2.00 Ct Sapphires and 4.00 Ct DiamondsEst. $4,459-$5,796$100Mynt AuctionsNew York, NY
2 days LeftArt Deco Platinum Bracelet with Emerald 4.50 Ct and Diamonds 22.00 CtEst. $49,699-$64,608$100BidhausNew York, NY
2 hrs LeftArt Deco Platinum 18K Gold Diamond Emerald Ring 4.03 CtEst. $22,932-$29,811$100BidhausNew York, NY
3 days LeftArt Deco Glycine Platinum Watch 10.50 Ct Diamonds Manual-WindingEst. $8,125-$10,562$100BidhausNew York, NY
2 hrs LeftArt Deco Platinum Ring 1.39ct European Cut Diamond with Accent StonesEst. $14,911-$19,384$100BidhausNew York, NY
Jun 01, 2026Art Deco Platinum Necklace with 40 Carats Rubies and 8.4 Carats DiamondsEst. $74,828-$97,276$100Mynt AuctionsNew York, NY
Jun 01, 2026Platinum Diamond Brooch Art Deco Era 7.55 Carat Total WeightEst. $8,125-$10,562$100Mynt AuctionsNew York, NY
20 hrs LeftArt Deco Platinum 21.30 Ct No-heat Ceylon Star Sapphire Diamond Ring GCS CertifiedEst. $17,641-$22,933$100Mynt AuctionsNew York, NY
3 days LeftFrench Art Deco Platinum Diamond Jewelry Set Ring Earrings with BoxEst. $52,273-$67,954$40,000Mynt AuctionsNew York, NY
2 hrs LeftArt Deco Platinum 1.17 Ct GIA Diamond Ring with 74 DiamondsEst. $9,555-$12,421$100BidhausNew York, NY
Jun 02, 2026Art Deco Platinum Bracelet With Old European And Baguette Diamonds Statement PieceEst. $22,919-$29,794$100Mynt AuctionsNew York, NY
3 days LeftTIFFANY & CO. Art Deco Platinum Diamond Bow Brooch 9.05 CtEst. $20,358-$26,465$100BidhausNew York, NY
Jun 05, 2026Art Deco Platinum Pendant with Asscher Diamond and SapphiresEst. $4,732-$6,151$100Mynt AuctionsNew York, NY
2 hrs LeftArt Deco 18K Platinum GIA Certified 3.13 Ct Emerald-Cut Diamond RingEst. $18,993-$24,690$100BidhausNew York, NY
3 days LeftAntique Art Deco Diamond Crown & Sceptre Brooch in Platinum and GoldEst. $2,483-$3,227$100Mynt AuctionsNew York, NY
May 28, 2026Diamond Platinum Art Deco Pendant Brooch on 14K White Gold NecklaceEst. $4,121-$5,357$100BidhausNew York, NY
May 29, 2026Vintage Art Deco 18K Gold Platinum Diamond Brooch 37 Diamonds G-H VVS-VS2Est. $4,394-$5,712$100Mynt AuctionsNew York, NY
1 day LeftPlatinum Art Deco Ring with 4.15 Carat Three European Cut DiamondsEst. $23,075-$29,997$100(1 bid)BidhausNew York, NY
1 day LeftArt Deco Platinum Brooch 16.75 Ct Diamonds D-E VVS1-VS1Est. $17,641-$22,933$100BidhausNew York, NY
2 days LeftArt Deco Platinum Necklace 21.85 Ct Diamonds E-F SI1Est. $30,004-$39,005$23,000Mynt AuctionsNew York, NY