This is an authentic CARTIER 18K Pink Yellow White Gold Blue Sapphire Trinity Ring 50 5.25. This ring is crafted of 18 karat gold with a blue sapphire weighing approximately .50 total carat weight. The band features the trinity loops of of pink, white and yellow gold. This is a beautiful ring for a one of a kind look from Cartier! Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.