This is an authentic CARTIER 18K White Gold Diamond .30ct C De Cartier Solitaire Ring size 49 or 4.75. The ring is crafted of 18 karat white gold and features a single round brilliant cut diamond at the center, approximately .30 carat, with F color and VS1 clarity grade. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.