Year: 2007 This is an authentic CARTIER 18K White Gold Diamond Lanieres Ring 51 5.75 . The ring is crafted of 18 karat white gold and features a segmented band set with a single diamond, approximately .05 carats. This is a beautiful ring with the modern style of Cartier! Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.