Item #: 603403 This is an authentic CARTIER 18K Pink Yellow White Gold Classic Les Must De Cartier Trinity Ring 51 5.75. The ring is crafted of three interlocking bands of 18 karat pink, yellow, and white engraved with the "Les Must De Cartier" logo. This is a classic ring with the iconic style of Cartier! Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.