Year: 2023 This is an authentic CARTIER 18K Pink Gold SM Clash De Cartier Ring size 50 or 5.25. The ring is crafted of 18 karat pink gold and features a riveted stud band with subtle movement. PLEASE NOTE: The certificate’s serial number includes a small clerical error. This does not affect authenticity. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.