This is an authentic TIFFANY Platinum Diamond Blue Sapphire Ring in a size EU 49.5, US 5. This stunning ring is crafted of platinum and set with six blue sapphires and five diamonds. This is a stunning ring, ideal for a special accent of chic, from Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.