Item #: 829517 This is an authentic CARTIER 18K White Gold Diamond Tank Francaise Band Ring size 49 or 4.75. 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. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.