This is an authentic CARTIER 18K Pink Yellow White Gold Diamond Trinity Solitaire Engagement Ring 52 6. This ring is crafted of an 18 karat pink, yellow, and white gold band that holds a round brilliant cut diamond weighing approximately .57 carats in a four prong solitaire setting. This is a gorgeous ring with a classic look only from Cartier! Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.