This is an authentic CARTIER 18K White Gold Diamond .31ct C De Cartier Solitaire Ring 48 4.5. The ring is crafted of 18 karat white gold and features a round brilliant cut diamond weighing approximately .31 carats, with H color and VVS2 clarity. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.