This is an authentic CARTIER Platinum Diamond .22ct Solitaire Engagement Ring size 49 or 5. This ring is crafted of platinum and features a colorless brilliant cut diamond weighing approximately .22 carats in a four prong 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.