Year: 1990 This is an authentic CARTIER 18K Pink Yellow White Gold Diamond Ring 50 5.25. The ring is crafted of 18 karat pink, yellow, and white gold, and features a tricolor band pinched at the center with a domed motif set with round cut diamonds, approximately .34 total carat weight. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.