Item #: 838333 Year: 2013 This is an authentic CARTIER 18K White Gold Diamond Tank Francaise Band Ring size 46 or 3.75. The ring is crafted of 18 karat white gold and features a Tank de Cartier motif band set with round brilliant cut diamonds, approximately .20 total carat weight. PLEASE NOTE: The ring is stamped 49 but has a wearable size of 46 or 3.75. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.