Item #: 305172 This is an authentic CARTIER 18K Pink Yellow White Gold Les Must De Cartier Trinity Ring 48 4.5. This stunning ring is 18 karat gold with three bands of 18 karat pink, yellow, and white gold. This is a beautiful ring with the classic style only from Cartier! Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.