This is an authentic CARTIER 18K Yellow Gold Orange Citrine Tank Ring size 52 or 6. The ring is crafted of 18 karat yellow gold and features a rich orange citrine stone set atop a modern band. This is a contemporary ring with the bold style of Cartier! Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.