This is an authentic TIFFANY 18K White Gold Diamond Signature X Ring 53 6.5. The ring is crafted of 18 karat white gold and features a polished band adorned with X motif stations set with sparkling diamonds, approximately .12 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.