This is an authentic TIFFANY 18K Yellow Gold Sterling Silver 1837 Interlocking Circles Ring size 54 or 6.75. The ring is crafted of sterling silver and 18 karat yellow gold, and features two interlocking bands engraved with the '1837 T&Co' logo. This a modern ring with the classic style of Tiffany! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.