1 day LeftPlatinum Art Deco Engagement Ring with 4.27 Ct Old European DiamondEst. $40,183-$52,237$100BidhausNew York, NY
2 days LeftART DECO STYLE SAPPHIRE AND DIAMOND RING, WHITE GOLD / PLATINUMEst. $30,000-$45,000$650(2 bids)Alden's AuctionFountain Valley, CA
4 days LeftART DECO DIAMOND PLATINUM ASYMMETRICAL RIBBON RINGEst. $6,525-$9,570$25NY Elizabeth Beverly Hills, CA
2 days LeftArt Deco 1.50ct Diamond Long Finger Ring in Platinum and 14k White GoldEst. $8,801-$11,441$100BidhausNew York, NY
Aug 01, 2026Art Deco Platinum Diamond and Ruby Ladies Cocktail RingEst. $5,000-$6,000$4,000Rafael Osona AuctionsNantucket, MA
1 day LeftArt Deco Platinum 1.67 Ct Diamond Ring with European-Cut CenterEst. $3,848-$5,002$100BidhausNew York, NY
1 day LeftAntique Art Deco Platinum 1.30ctw GIA Certified Diamond Engagement RingEst. $9,100-$11,830$100BidhausNew York, NY
Jul 24, 2026British nobles customized platinum ruby diamond rings during the period of ART DECO and DowntonEst. $8,000-$20,000$8,000HEAVEN'S EARTH ANTIQUE CO LLCSan Francisco, CA
4 days LeftArt Deco Platinum Ruby Eternity Band GIA Burma No Heat Ring Size 7Est. $3,796-$4,934$100Mynt AuctionsNew York, NY
12 hrs LeftArt Deco Platinum Ring 34.50 Ct Aquamarine & 30 DiamondsEst. $20,358-$26,465$100BidhausNew York, NY
Jul 17, 2026Art Deco Platinum Bypass Ring with Old Mine Cut DiamondsEst. $30,667-$39,867$100BidhausNew York, NY
1 day LeftAntique Art Deco Platinum Eternity Band Ring 1ctw DiamondsEst. $2,392-$3,109$100BidhausNew York, NY
Jul 20, 2026Art Deco Platinum Engagement Ring 1.43ct Old European Cut DiamondEst. $5,811-$7,554$100BidhausNew York, NY
3 hrs LeftPlatinum Art Deco Ring with 0.95 Carat European Cut DiamondEst. $3,302-$4,292$100BidhausNew York, NY
2 days LeftGIA Platinum Art Deco Diamond Crown Ring 1.1ctw E IF Size 6.5Est. $13,377-$17,390$100BidhausNew York, NY
6 hrs LeftArt Deco Platinum Ring 55 Ct Aquamarine 8 Diamonds F-G SI1-I1Est. $7,995-$10,393$100Mynt AuctionsNew York, NY
6 days LeftPlatinum Art Deco Ring With AGL Certified Burma No-heat Ruby and DiamondsEst. $18,993-$24,690$100Mynt AuctionsNew York, NY
Jul 17, 20261929 Antique Art Deco Floral Engraved Platinum Eternity Band Ring 5.5Est. $1,066-$1,385$100BidhausNew York, NY
6 days LeftAntique Art Deco Platinum 1.30ctw GIA Certified Diamond Engagement RingEst. $9,100-$11,830$100BidhausNew York, NY
5 days LeftVintage Art Deco Platinum Star Sapphire Diamond Ring 35.45 CtEst. $6,227-$8,095$100BidhausNew York, NY
Jul 19, 2026Antique Art Deco Platinum Diamond Ring 1.30ct Marquise Baguette RoundEst. $3,913-$5,086$100BidhausNew York, NY
Jul 19, 2026Vintage Art Deco 0.95ctw Diamond Sapphire Platinum Band RingEst. $3,770-$4,901$100BidhausNew York, NY
Jul 16, 2026Antique Art Deco Platinum GIA Burma Ruby Diamond Statement Ring 3.55ctEst. $16,263-$21,141$100BidhausNew York, NY
3 days LeftAntique Art Deco Platinum 1.23ctw Diamond Trillion Engagement RingEst. $4,849-$6,303$100BidhausNew York, NY