SaveBuy NowVintage Platinum GIA Certified 2.54ct No Heat Sapphire and Baguette Diamond RingDiamond Depot4.3(10)$2,890
SaveBuy NowAntique Art Deco Platinum GIA Certified 0.97ct Sapphire Diamond RingDiamond Depot4.3(10)$3,680
SaveBuy NowPlatinum 1.17ctw Diamond Solitaire Slide Pendant Adjustable Box ChainDiamond Depot4.3(10)$3,360
Save6 days LeftVintage Platinum 4.88ct Oval Opal Diamond Halo Cocktail RingDiamond Depot4.3(10)Est. $4,259-$5,111$1,300
SaveFeb 22, 2026Vintage Platinum 1.23ctw Carre Diamond Stack Band RingDiamond Depot4.3(10)Est. $5,084-$6,101$1,375
SaveMar 08, 2026FILIGREE VINTAGE PLATINUM ENGAGEMENT RING 0.77CT. NATURAL OLD MINE DIAMONDModern Jewelry4.5(204)Est. $5,015-$5,605$4,100
SaveBuy NowVintage GIA Certified 1.47ctw Burma Star Ruby Diamond Cocktail Ring PlatinumBidhaus4.2(838)$3,680(21 bids)
SaveBuy NowRare! Mikimoto Platinum .5ctw Diamond 12mm Tahitian South Sea Pearl Heart RingChairish Auctions4.5(10.3k)$8,000
Save1 day LeftPlatinum Cocktail Ring 2.8ct Opal & Diamond Side StonesDiamond Depot4.3(10)Est. $2,965-$3,559$1,100
SaveFeb 20, 2026Cartier Platinum .30ct F VVS2 Diamond Solitaire Engagement Ring with BoxDiamond Depot4.3(10)Est. $5,084-$6,101$1,850
Save12 hrs LeftTiffany & Co. 0.30ct Platinum Channel Set Diamond Wedding Band RingDiamond Depot4.3(10)Est. $3,430-$4,013$930
SaveFeb 24, 2026Elegant Platinum 1.5ct Emerald and Baguette Diamond Step RingDiamond Depot4.3(10)Est. $4,058-$4,870$1,175
Save12 hrs LeftPlatinum 2.26ctw Magenta Tourmaline Diamond Cocktail RingDiamond Depot4.3(10)Est. $3,797-$4,443$1,275
SaveFeb 21, 2026Over 3.2 CTW Art Deco Diamond Bracelet in PlatinumDiamond District Gold BuyersEst. $5,700-$9,500$3,800
SaveBuy NowVintage Platinum Line Tennis Bracelet with Synthetic Sapphire StonesDiamond Depot4.3(10)$3,630
SaveBuy NowGIA Certified Platinum 5.51ct Imperial Topaz & Diamond Cocktail RingDiamond Depot4.3(10)$2,420
SaveFeb 25, 2026Antique Art Deco Platinum Eternity Band with GIA Lab Grown RubyDiamond Depot4.3(10)Est. $1,828-$2,194$820
SaveFeb 23, 2026GIA Certified Platinum 5.51ct Imperial Topaz & Diamond Cocktail RingDiamond Depot4.3(10)Est. $4,259-$5,111$1,250
SaveMar 08, 2026PLATINUM ENGAGEMENT RING 2.18CT. CUSHION SHAPE LAB-GROWN DIAMOND E-VS1 IGI CERTModern Jewelry4.5(204)Est. $8,245-$9,215$6,700
