Save2026GIA 2.63CT HALO CUSHION CUT DIAMOND RING PLATINUM I/VS1+Chairish Auctions4.5(10.3k)Est. $8,000-$10,000Buy Now for $7,068.00
SaveBuy NowArt Deco Platinum Bracelet with 75 European-Cut Diamonds 2.70 CtDiamond Depot4.3(10)$4,040
SaveMar 08, 2026VINTAGE PLATINUM ENGAGEMENT RING 1.02CT NATURAL EURO CUT ROUND DIAMONDModern Jewelry4.5(204)Est. $9,775-$10,925$8,000
SaveFeb 21, 2026Antique Art Deco Platinum Old Cut Baguette Euro Diamond Shield RingDiamond District Gold BuyersEst. $4,500-$7,500$3,000
SaveMar 03, 2026TIFFANY & CO. 0.73 CARAT EMERALD CUT F VVS1 DIAMOND WHITE PLATINUM RINGModern Jewelry4.5(204)Est. $8,127-$9,083$6,600
SaveBuy NowLONGINES Art Deco Platinum Watch with 383 Rose-Cut Diamonds 7.60 CtDiamond Depot4.3(10)$4,040
SaveBuy NowAntique Platinum 0.68ctw Old European Cut Diamond Solitaire RingDiamond Depot4.3(10)$2,410
SaveMar 03, 2026VINTAGE 1.34 CARAT OLD EUROPEAN CUT H-SI1 DIAMOND PLATINUM ENGAGEMENT RINGModern Jewelry4.5(204)Est. $7,699-$8,605$6,300
SaveMar 03, 2026VINTAGE 1.34 CARAT OLD EUROPEAN CUT H-SI1 DIAMOND PLATINUM ENGAGEMENT RINGModern Jewelry4.5(204)Est. $7,699-$8,605$6,300
SaveFeb 21, 2026Antique Art Deco Platinum Old Cut Baguette Euro Diamond Shield Ring Sz 4.5Diamond District Gold BuyersEst. $4,200-$7,000$2,800
SaveMar 08, 2026VINTAGE PLATINUM ENGAGEMENT RING 2.67CT. GOLDEN CITRINE OCTAGON ROSE CUTModern Jewelry4.5(204)Est. $2,975-$3,325$2,450
SaveMar 08, 2026VINTAGE PLATINUM ENGAGEMENT RING 0.92CT.NATURAL EURO CUT DIAMOND CIRC 1930'SModern Jewelry4.5(204)Est. $8,415-$9,405$6,900
SaveMar 08, 2026VINTAGE PLATINUM ENGAGEMENT RING 1.02CT.NATURAL ROUND CUT DIAMOND CIRC 1930'SModern Jewelry4.5(204)Est. $8,075-$9,025$6,600
SaveMar 03, 20262.45 CARAT SAPPHIRE 2.00 CARAT MIX CUT DIAMOND PLATINUM GEMS STONE RINGModern Jewelry4.5(204)Est. $7,300-$8,158$6,000
SaveMar 08, 20261.10CT PLATINUM VINTAGE ENGAGEMENT RING OLD MINE CUT DIAMOND CIRC 1920'SModern Jewelry4.5(204)Est. $8,075-$9,025$6,600
SaveMar 03, 20260.79 CARAT CIRCULAR BRILLIANT CUT L I1 DIAMOND PLATINUM PENDANT NECKLACEModern Jewelry4.5(204)Est. $7,000-$7,823$5,700
SaveMar 08, 2026VINTAGE PLATINUM 3.49CT. BLUE MOISSANITE DIAMOND ENGAGEMENT RING CUSHION CUTModern Jewelry4.5(204)Est. $6,545-$7,315$5,300
SaveMar 08, 2026VINTAGE PLATINUM ENGAGEMENT RING 1.22CT.NATURAL OLD EURO ROUND CUT DIAMONDModern Jewelry4.5(204)Est. $8,075-$9,025$6,600
SaveBuy NowHandcrafted Platinum Cocktail Ring With 10ct Green Tourmaline And Old Cut DiamondsDiamond Depot4.3(10)$2,890
SaveMar 08, 2026VINTAGE PLATINUM ENGAGEMENT RING 0.85CT.NATURAL OLD MINE CUT DIAMOND CIRC 1930'Modern Jewelry4.5(204)Est. $6,375-$7,125$5,200