Item #: 31671 This is an authentic TIFFANY & CO Sterling Silver 1837, size 6.5. This stylish ring is crafted of sterling silver and has a concave center. It is simple, yet classic, and is sure to be a favorite look, from Tiffany & Co. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.