Item #: 1622631 This is an authentic CARTIER 18K Yellow Gold Diamond Guilloche Amulette de Cartier Ring size 56 or 7.75. The ring is crafted of 18 karat yellow gold and features a textured guilloche center disc and bezel-set with a single round brilliant cut diamond, approximately .10 carat. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.