Item #: 939615 This is an authentic TIFFANY 18K Yellow Gold Platinum Diamond 4mm Etoile Band Ring 54 7. This ring is crafted of 18 karat yellow gold and platinum, and features bezel set diamonds, approximately .19 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.