Item #: 629858 This is an authentic CARTIER 18K Yellow Gold Diamond Tank Francaise Ring size 50 or 5.25. The ring is crafted of 18 karat yellow gold and features the iconic “Tank” watch motif accented with diamonds, approximately 2.08 total carat weight. This is a beautiful ring with the classic style of Cartier! Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.