Item #: 914855 This is an authentic TIFFANY 18K Yellow Gold Platinum Diamond .15ct Square Bezet Ring 51 5.75. The ring is crafted of 18 karat yellow gold and features a princess cut diamond in a square platinum setting weighing approximately 0.15 carats on a narrow gold band. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.