Item #: 501241 This is an authentic CARTIER 18K White Gold Diamond Ribbon Knot Charm. This ribbon knot shaped charm is crafted of 18 karat white gold and features a central diamond weighing approximately 0.16 carats. This is a chic charm with the iconic style of Cartier! Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.