Item #: 1542556 This is an authentic TIFFANY 18K Yellow Gold Diamond Blue Sapphire Band Ring 49 5. The ring is crafted of 18 karat yellow gold and features a tapered band channel-set with .14 total carat weight of diamonds and blue sapphires. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.