2 days LeftArt Deco Platinum Diamond Onyx Hairpin Brooch Necklace 18K ChainEst. $8,125-$10,562$100BidhausNew York, NY
11 hrs LeftArt Deco Platinum Brooch with 102 European-cut Diamonds 7.00 CtEst. $7,514-$9,768$100BidhausNew York, NY
2 days LeftArt Deco Platinum Brooch with 5.00ct Diamond and Pearl Flower DesignEst. $8,060-$10,478$100BidhausNew York, NY
5 days Left1950s 18K Gold Platinum GIA Certified Pearl Topaz Earrings 2.25 InchEst. $12,064-$15,683$100BidhausNew York, NY
5 days LeftPlatinum Double Halo Fancy Yellow Diamond Ring 1.05 CaratEst. $7,319-$9,514$100BidhausNew York, NY
11 hrs LeftAntique Platinum Bangle with Natural Pearl and DiamondsEst. $13,013-$16,916$100BidhausNew York, NY
5 days LeftArt Deco platinum ring GIA certified sapphire diamond 3.34ctwEst. $7,722-$10,038$100BidhausNew York, NY
6 days LeftPlatinum Diamond Earrings 16.46 Ct 90 Marquise E-G VS2-SI2Est. $27,144-$35,287$100BidhausNew York, NY
3 days LeftPlatinum Art Deco Diamond Ring Featuring 2.96 Carat Center StoneEst. $16,952-$22,037$100Mynt AuctionsNew York, NY
5 hrs LeftFrench 950 Platinum Diamond Necklace Brooch 5 ct G VS DiamondsEst. $7,501-$9,751$100Mynt AuctionsNew York, NY
11 hrs LeftPlatinum Diamond Ring 2.55 Carat EGL Certified by Scott KingEst. $17,641-$22,933$100BidhausNew York, NY
5 days LeftArt Deco Platinum Brooch with 1.00 Ct Sapphire and 72 DiamondsEst. $10,842-$14,094$100BidhausNew York, NY
4 days LeftArt Deco Platinum Brooch with 1.00 Ct Sapphire and 72 DiamondsEst. $10,842-$14,094$100Mynt AuctionsNew York, NY
4 days LeftPlatinum and Diamond Engagement Ring SettingEst. $300-$400$200(1 bid)Hampton Estate AuctionNew York, NY
3 days LeftPlatinum Art Deco Brooch with 4.20 Carat DiamondsEst. $3,354-$4,360$100BidhausNew York, NY
Jul 03, 2026Vintage Art Deco Platinum Brooch 7.00cts Diamond Filigree DesignEst. $10,296-$13,384$100BidhausNew York, NY
3 days Left1940s Retro Platinum 18K Gold Diamond Fan Earrings 7 CtsEst. $10,296-$13,384$100BidhausNew York, NY
2 hrs LeftArt Deco Platinum Duck Brooch with 114 Diamonds Onyx RubiesEst. $5,408-$7,030$100BidhausNew York, NY
4 days LeftPlatinum Diamond Earrings 6.70 Carat with Old Pear Shapes and AccentsEst. $12,883-$16,747$100BidhausNew York, NY
2 days LeftCartier Platinum 5.50ct Princess Cut Diamond Eternity Ring EU 49Est. $13,364-$17,373$100BidhausNew York, NY
1 day Left3.50 Carat Emerald and Diamond Platinum Ring Size 7Est. $7,449-$9,683$100BidhausNew York, NY
3 days LeftPlatinum Earrings with Citrine and Diamond Accents Circa 1950sEst. $17,641-$22,933$100Mynt AuctionsNew York, NY