Item #: 305135 This is an authentic CARTIER 18K White Gold 7mm C De Cartier Ring in a size EU 51, US 5.75. This stylish ring has a band of 18 karat white gold featuring the double C logo at the sides of each opening. This is an excellent ring with the classic style of Cartier! Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.