Item #: 565666 This is an authentic CARTIER 18K Pink Yellow White Gold Diamond Trinity Knot Charm Ring size 49 4.75. The ring is crafted of 18 karat yellow gold and features a polished band with a tri-tone knot charm and a single bezel set diamond, approximately .04 total carat weight. This is a chic ring with the iconic style of Cartier! Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.