Item #: 610485 This is an authenticCARTIER 18K White Gold Diamond Tank Francaise Band Ring 49 5. The ring is crafted of 18 karat white gold and features a Tank de Cartier motif band set with round brilliant cut diamonds, approximately .15 total carat weight. The structure of this ring is a true iconic style of Cartier! Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.