5 days LeftVINTAGE PLATINUM ENGAGEMENT RING 1.22CT.NATURAL OLD EURO ROUND CUT DIAMONDEst. $8,075-$9,025$6,600Modern JewelryValley Village, CA
Jul 15, 2026VINTAGE PLATINUM DANGLING EARRINGS WITH 5.32 CARAT MIXED CUT J VS1 DIAMONDSEst. $22,321-$24,947$18,250Modern JewelryValley Village, CA
2 hrs LeftArt Deco Platinum Diamond Earrings 3.40 Ct with Pear Shape and European CutEst. $8,862-$9,925$2,800Diamond DepotNew York, NY
Jul 15, 20262.40CT EMERALD CUT K SI1 DIAMOND PLATINUM VINTAGE ENGAGEMENT RINGEst. $22,304-$24,928$18,250Modern JewelryValley Village, CA
Buy NowCustom Made Platinum GIA Certified 10.19ctw Emerald Cut Sapphire Diamond Ring$23,250Diamond DepotNew York, NY
Jul 15, 2026TIFFANY & CO 1.16CT OLD MINER CUT DIAMOND PLATINUM VINTAGE ENGAGEMENT RINGEst. $23,154-$25,878$19,000Modern JewelryValley Village, CA
Buy NowVintage 1950's Platinum Brooch with 12 Carats Mixed-Cut Diamonds$17,970Diamond DepotNew York, NY
Ends in 1d 14h7.00ct Princess Cut Natural Diamonds Platinum Ring Heavyweight Prime *vEst. $13,000-$16,000$5,500Jasper52New York, NY
Jul 12, 2026EMERALD CUT ENGAGEMENT RING 1.85CT DIAMOND PLATINUM W/ACCENTEst. $21,937-$24,518$18,000Modern JewelryValley Village, CA
5 days LeftPlatinum GIA Certified 1.11ct VS2 Radiant Cut Diamond Engagement RingEst. $13,945-$15,618$6,300Diamond DepotNew York, NY
3 days LeftArt Deco Platinum 6.60 Ct Diamond Brooch with Baguette and European-Cut DiamondsEst. $7,580-$8,489$2,800Diamond DepotNew York, NY
Buy NowART DECO PLATINUM BRACELET OLD EUROPEAN CUT DIAMOND SAPPHIRE ESTATE JEWELRY$26,350Modern JewelryValley Village, CA
Buy NowAntique Platinum 2.70ctw Old Cut Milgrain Bezel Diamond Necklace$8,450Diamond DepotNew York, NY
Jul 09, 2026Platinum Brooch with 9.30 Carat Old Mine Cut Diamonds Art Deco EraEst. $16,133-$18,068$4,500Diamond DepotNew York, NY
Buy NowGIA Certified 6.37ctw Oval Ruby Platinum Ring with Rose Cut Diamonds$18,640Diamond DepotNew York, NY
2 days LeftPlatinum 4.25 Ct Diamond Necklace 27 European-Cut H-I VS1-SI3 20 InchEst. $8,619-$9,653$3,900Diamond DepotNew York, NY
Jul 15, 20261.86 CARAT OLD EUROPEAN CUT J-SI2 DIAMOND PLATINUM WEDDING RINGEst. $21,800-$24,365$17,750Modern JewelryValley Village, CA
Jul 12, 2026ART DECO 1.49CT EUROPEAN CUT SOLITAIRE ACCENT DIAMOND PLATINUM RING LIQUIDATIONEst. $21,991-$24,578$18,000Modern JewelryValley Village, CA
Buy NowAntique Art Deco Lorgnette Pendant with 1.0ct Rose Cut Diamonds in Platinum$5,650(17 bids)Mynt AuctionsNew York, NY
Jul 29, 2026ART DECO DIAMOND RING EUROPEAN CUT 2.15 CT PLATINUM MILGRAIN STYLE SOLIRAIREEst. $19,029-$21,268$15,500Modern JewelryValley Village, CA
Jul 15, 2026TIFFANY & CO. 1.06 CARAT EMERALD CUT G VS1 DIAMOND PLATINUM ENGAGEMENT RINGEst. $21,800-$24,365$17,750Modern JewelryValley Village, CA
1 day LeftPlatinum Diamond Solitaire Ring 0.70ct GIA D VS1 Emerald Cut Bezel SetEst. $6,806-$7,623$2,250Diamond DepotNew York, NY