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SaveMar 08, 2026VINTAGE PLATINUM ART DECO RING 3.45CT. NATURAL BLUE ROUND SAPPHIRE CABOCHONModern Jewelry4.5(204)Est. $14,875-$16,625$12,250
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SaveBuy NowRare! Authentic Damiani Brad Pitt Platinum 4 Diamond 3mm Band Ring Sz 7Chairish Auctions4.5(10.3k)$1,028
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SaveMar 08, 2026PLATINUM VINTAGE ART DECO 4.43CT. NATURAL COLOMBIA EMERALD DIAMOND RING 1920'SModern Jewelry4.5(204)Est. $21,250-$23,750$17,500
SaveBuy Now18K Gold Platinum Ruby Diamond Large Flower Brooch Pendant VintageDiamond Depot4.3(10)$9,370
SaveFeb 22, 2026PLATINUM RING WITH NATURAL PINK SAPPHIRE AND 0.33CTS DIAMONDS SIZE: 4.5Modern Jewelry4.5(204)Est. $1,699-$1,899$1,375
SaveBuy NowGIA Certified 18K Gold Platinum Rubellite Tourmaline Diamond Navette BroochDiamond Depot4.3(10)$9,370
SaveMar 03, 20261.13 CARAT H VS OLD EUROPEAN & BRILLIANT DIAMOND PLATINUM ART DECO RINGModern Jewelry4.5(204)Est. $5,525-$6,175$4,550
SaveFeb 18, 2026Tiffany & Co. Platinum 0.65ct Diamond Solitaire RingEastern European Art Gallery IncEst. $5,000-$7,000$2,900