Item #: 1429229 This is an authentic TIFFANY 18K Rose Gold Diamond Charles Setting Satin Finish Ring 47 4. The ring is crafted of 18 karat rose gold and features a satin finish band with a single step-cut diamond, approximately .03 carat. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.