This is an authentic TIFFANY 18K Yellow Gold Platinum Diamond 4mm Etoile Band Ring 51 5.75. The ring is crafted of 18 karat yellow gold and features a domed band accented with bezel-set round brilliant cut diamonds in platinum, approximately .23 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.