This is an authentic CARTIER 18K Yellow Gold Diamond .50ct Tank Solitaire Ring 50 5.25. The ring is crafted of 18 karat yellow gold and features a polished band holding a princess cut diamond weighing approximately .50 carats, with G color and VS2 clarity. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.