Buy NowJean Vitau 1970s Platinum Clip-On Earrings 9.5 Carat Diamonds$16,650New York, NYBidhaus4.2(881)
Buy NowRachel Koen Platinum Diamond Cluster Ring 6.20 Cttw Size 6 Adjustable$30,350New York, NYBidhaus4.2(881)
Buy NowMichael Bondanza Venti 18k Gold Platinum Diamond Wide Bracelet$27,890New York, NYBidhaus4.2(881)
Buy Now1970s Platinum 18K Yellow Gold 25 Carat Diamond Flower Brooch$43,110New York, NYBidhaus4.2(881)
Sep 30, 2026Rachel Koen Platinum Diamond Cluster Ring 6.20 Cttw Size 6 AdjustableEst. $31,161-$40,509$23,750New York, NYBidhaus4.2(881)
Buy NowVintage Platinum GIA Certified 25.15ct Colombian Emerald Diamond Ring$25,120New York, NYBidhaus4.2(881)
Buy NowMichael Bondanza Venti 18k Gold Platinum Diamond Wide Bracelet$27,890New York, NYBidhaus4.2(881)
Buy NowMichael Bondanza Venti 18k Gold Platinum Diamond Wide Bracelet$27,890New York, NYBidhaus4.2(881)
Buy Now1970s Platinum 18K Yellow Gold 25 Carat Diamond Flower Brooch$43,110New York, NYBidhaus4.2(881)
Buy NowMid Century Diamond Ribbon Brooch in Platinum and White Gold 7.47ctw$12,160New York, NYBidhaus4.2(881)
Buy NowPlatinum GIA Certified 2.53ctw Oval Ruby Diamond Ballerina Cocktail Ring$3,680New York, NYBidhaus4.2(881)
Sep 29, 2026Antique Art Deco Platinum Engagement Ring GIA 0.92ct DiamondsEst. $3,393-$4,410$2,600New York, NYBidhaus4.2(881)
Buy NowOscar Heyman 1950 Platinum Ruby Diamond Brooch with Certificate$206,470New York, NYMynt Auctions4.5(925)
Buy NowPlatinum GIA Certified 1.45ct Vivid Red Ruby Pear Ring with Diamonds$6,600New York, NYBidhaus4.2(881)
Buy NowPlatinum GIA Certified 1.14ct Pink Sapphire Diamond East West Ring$2,300New York, NYBidhaus4.2(881)
Buy NowAntique Art Deco Platinum Engagement Ring GIA 0.92ct Diamonds$3,310New York, NYBidhaus4.2(881)
Buy NowDavid Webb Platinum 18K Yellow Gold Garnet Turquoise Diamond Necklace$32,850New York, NYBidhaus4.2(881)
Buy NowPlatinum Art Deco Croton Diamond Wristwatch with Black Cord Strap$1,500New York, NYBidhaus4.2(881)
Buy NowRachel Koen Ruby Diamond Cocktail Ring Platinum 2.95 Cttw Size 6$19,180New York, NYBidhaus4.2(881)
Buy NowDavid Webb Platinum 18K Yellow Gold Garnet Turquoise Diamond Necklace$32,850New York, NYBidhaus4.2(881)
Buy NowOmega Vintage 1940s Platinum Diamond Watch 12 Carats Mechanical$31,190New York, NYBidhaus4.2(881)