1 day LeftPlatinum Pendant Necklace with Boulder Opal and Diamond Accents Adjustable ChainEst. $2,964-$3,853$2,250BidhausNew York, NY
6 days LeftAntique Edwardian Gold Platinum GIA Black Opal Diamond Halo RingEst. $27,669-$30,989$9,300Diamond DepotNew York, NY
7 days LeftPlatinum GIA Certified 5.89ct Oval Blue Sapphire Diamond Halo Pendant NecklaceEst. $11,492-$12,871$5,200Diamond DepotNew York, NY
7 days LeftSuzanne Belperron Rock Crystal Diamond Platinum Fan BroochEst. $105,262-$117,893$28,750Diamond DepotNew York, NY
7 days LeftVintage Platinum GIA Certified 1.46ctw Blue Sapphire Diamond RingEst. $3,734-$4,183$1,275Diamond DepotNew York, NY
Jul 10, 2026Antique Edwardian Platinum 1.46ctw Old Mine Diamond Brooch PinEst. $4,486-$5,024$1,450Diamond DepotNew York, NY
2 days LeftPlatinum GIA Certified 2.77ctw Vivid Pink Sapphire Diamond Ballerina RingEst. $6,652-$7,450$2,250Diamond DepotNew York, NY
Buy NowPlatinum 24.44ctw Star Sapphire Baguette Diamond Statement Ring Size 7$5,660Diamond DepotNew York, NY
Buy NowVintage Platinum GIA Certified 5.41ct Blue Sapphire Diamond Halo Ring$9,370Diamond DepotNew York, NY
Buy NowPlatinum GIA Certified 6.9ct Natural Pinkish Orange Conch Pearl Diamond Halo Ring$15,850Diamond DepotNew York, NY
Buy NowPlatinum 3.61ctw GIA Round Diamond Engagement Ring with Milgrain$13,900Diamond DepotNew York, NY
Buy NowGIA certified 1.46ct Fancy Dark Yellow Brown Diamond Ring Platinum *v$6,975Jasper52New York, NY
Buy NowPlatinum 24.44ctw Star Sapphire Baguette Diamond Statement Ring Size 7$5,660Diamond DepotNew York, NY
Buy NowPlatinum and 18K Yellow Gold 0.95ct Diamond and Tanzanite Ring$5,000Eastern European Art Gallery IncBroomall, PA
Buy NowPlatinum and 18K Yellow Gold 0.37ct Diamond and Ruby Ring$2,300Eastern European Art Gallery IncBroomall, PA
Buy NowPlatinum GIA Certified 2.37ct No Heat Royal Blue Sapphire Diamond Ring$3,310Diamond DepotNew York, NY
Buy NowAntique Van Cleef & Arpels Platinum 0.60ct Diamond Engagement Ring with Box$5,660Diamond DepotNew York, NY
Buy NowPlatinum 2.48ctw Modern Ring with Oval Orange Jelly Opal and Diamonds$1,970Diamond DepotNew York, NY
Buy NowAntique Van Cleef & Arpels Platinum 0.60ct Diamond Engagement Ring with Box$5,660Diamond DepotNew York, NY
Jul 21, 2026VINTAGE BULGARI GOLD PLATINUM EARRINGS AND CLIP BROOCHES SET 18K CORAL JEWELRYEst. $119,850-$133,950$98,500Modern JewelryValley Village, CA
Buy Now1960s French Platinum Diamond Emerald Brooch 2.50 ct Diamonds 0.85 ct Emerald$5,190Diamond DepotNew York, NY
Buy NowVINTAGE BULGARI GOLD PLATINUM EARRINGS AND CLIP BROOCHES SET 18K CORAL JEWELRY$119,850Modern JewelryValley Village, CA
2 days LeftDavid Webb Vintage 1970s Platinum 18K Gold Diamond Pave RingEst. $40,597-$45,469$13,750Diamond DepotNew York, NY