Item #: 1544645 This is an authentic CARTIER 18K Pink Gold Pink Sapphire Entrelaces Ring 48 4.5. The ring is crafted of 18 karat pink gold and features a 2mm band with a central tied knot accented with pink sapphires. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.