Item #: 1772804 This is an authentic CARTIER 18K Pink Gold Diamond Black Onyx XS Amulette de Cartier Pendant Necklace. The necklace is crafted of 18 karat pink gold and features lock pendant accented with black onyx and a single round cut diamond, approximately .03 carat. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.