SaveMay 24, 2026TIFFANY & CO.. 0.60 CARAT E-VS1 PLATINUM ENGAGEMENT RING DIAMONDModern Jewelry4.5(205)Est. $7,900-$8,829$6,500
SaveBuy NowAGL Certified Natural Pink Sapphire diamond ring platinum arthritis knuckle**Chairish Auctions4.5(10.5k)$8,370
SaveBuy NowStunning 1.41ct Old-European Cut Diamond Platinum Vintage Engagement RingDiamond Depot4.2(14)$7,850
SaveJun 02, 2026Vintage Platinum Engagement Ring 2.35ct.Natural Yellow Radiant Sapphire GIA certModern Jewelry4.5(205)Est. $6,715-$7,505$5,500
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SaveBuy NowPlatinum 0.48ct Diamond and Tourmaline Cocktail RingEastern European Art Gallery Inc$2,500
SaveMay 22, 2026Tiffany & Co. Fleur-De-Lis Key Pendant Diamond Necklace Platinum 950 Silver Tone Women'S JewelrySEUYCO4.6(77)Est. $7,125-$8,550$3,550
SaveMay 24, 2026TIFFANY & CO. LEGACY PLATINUM NECKLACE, 0.69CTS DIAMOND PENDANT ( 16" ) 4.5GModern Jewelry4.5(205)Est. $4,759-$5,319$3,900
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SaveBuy NowVintage Platinum 17.45ct GIA Certified Blue Star Sapphire Diamond RingDiamond Depot4.2(14)$3,500
SaveBuy NowAntique Art Deco Platinum 7.3ctw GIA Colombian Emerald Diamond BroochDiamond Depot4.2(14)$6,570
SaveBuy NowPlatinum Necklace with 49 Graduated European Cut Diamonds 45.15 CaratsDiamond Depot4.2(14)$258,060
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SaveMay 24, 2026TRITON TUNGSTEN CARBIDE BAND WITH CENTER PLATINUM INLAY ( SIZE: 10 )Modern Jewelry4.5(205)Est. $679-$759$550
SaveBuy NowPlatinum Eternity Band with 0.90ct Diamonds Scalloped Design Size 6Diamond Depot4.2(14)$3,170
SaveBuy NowStunning 10.42ct Colombian Emerald Diamond Ring in Platinum 18K GoldDiamond Depot4.2(14)$35,230
SaveBuy NowPlatinum GIA Certified 2.61ctw Red Heart Ruby Diamond Halo NecklaceDiamond Depot4.2(14)$8,450
SaveBuy NowPlatinum GRS 2.29ctw Green Demantoid Garnet Diamond Double Halo RingDiamond Depot4.2(14)$8,410
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SaveBuy NowART DECO C.1920 PLATINUM NATURAL COLUMBIAN EMERALD DIAMOND RING ENGAGEMENTChairish Auctions4.5(10.5k)$2,960