Cartier Must de Cartier Trinity 18K white, yellow, and rose gold ring Ring is not sizeable This product was sourced for Gilt by a trusted independent supplier Measurements: 3mm wide Please note that this is a previously owned item; imperfections are a unique aspect of vintage product. Our quality control team has inspected this item and verified that it is in the condition described. " material="18K white, yellow, and rose gold" origin="France"