4 days LeftVintage Platinum 1.50ct Diamond and Sapphire Open Circle Bow BroochEst. $2,100-$2,300$1,800Eastern European Art Gallery IncBroomall, PA
4 days LeftPlatinum 1.04ct Diamond RingEst. $4,500-$5,000$3,500Eastern European Art Gallery IncBroomall, PA
Buy NowGIA Certified 4.67ct Pink Peachy Tourmaline Diamond Ring in Gold & Platinum$2,250Diamond DepotNew York, NY
Buy NowAntique Edwardian Platinum 2.33ctw GIA Sapphire Diamond Scroll Ring$5,660Diamond DepotNew York, NY
4 days LeftPlatinum 1.18ct Diamond and Sapphire Statement RingEst. $2,700-$2,900$2,300Eastern European Art Gallery IncBroomall, PA
4 days LeftPlatinum 0.77ct Diamond and Sapphire RingEst. $2,100-$2,300$1,800Eastern European Art Gallery IncBroomall, PA
Buy NowGIA Certified 2.04ct No Heat Oval Red Ruby Diamond Platinum Ring$4,740Diamond DepotNew York, NY
4 days LeftPlatinum 0.20ct Diamond, Aquamarine, and Tourmaline RingEst. $2,100-$2,300$1,800Eastern European Art Gallery IncBroomall, PA
4 days LeftPlatinum 1.90ct Diamond Three Stone RingEst. $3,500-$4,000$2,800Eastern European Art Gallery IncBroomall, PA
Jul 16, 2026Graff Platinum Eternity Band 4.20 CTW G VS1 Size 5Est. $24,570-$31,941$18,750BidhausNew York, NY
Ends in 7h 10mArt Deco Platinum Diamond Brooch Black Onyx Ruby 1920s Vintage JewelryEst. $24,000-$29,000$9,500Jasper52New York, NY
Ends in 7h 43mVintage Tiffany & Co. Diamond Band Platinum Size 5.5 (51)Est. $3,500-$4,000$1,500Jasper52New York, NY
Ends in 5h 56mVintage Cartier Diamond Band Platinum Size 4.5 (48)Est. $3,500-$4,000$1,500Jasper52New York, NY
Buy NowTiffany & Co. CIRCLET Collection Platinum Necklace with Round Diamond$31,500ELUSEZaozhuang City, Shandong Province
Ends in 20h 17mBLACK, STARR & FROST: AN EDWARDIAN DIAMOND STARBURST PENDANT/BROOCHEst. $2,000-$3,000$2,800(8 bids)BonhamsBoston, MA
Ends in 20h 26mTIFFANY & CO.: AN ART DECO PLATINUM AND DIAMOND LINE BRACELETEst. $8,000-$10,000$14,000(7 bids)BonhamsBoston, MA
1 day Left3.5ctw Baguette Diamond Platinum Wide Bombe Band Ring with Channel SettingEst. $9,581-$12,455$7,300BidhausNew York, NY
Buy NowPlatinum 4.07ctw Green Tourmaline Diamond Geometric Cocktail Ring$2,250Diamond DepotNew York, NY
Buy NowPlatinum AGL Certified 2.07ctw Color Change Alexandrite Diamond Cocktail Ring$6,600Diamond DepotNew York, NY
Ends in 20h 31mMARIANNE OSTIER: A PLATINUM AND DIAMOND BROOCHEst. $5,000-$7,000$5,000(1 bid)BonhamsBoston, MA
Buy NowPlatinum 2.59ct Oval Sapphire Engagement Ring with Marquise Diamonds$2,420Diamond DepotNew York, NY