This is an authentic TIFFANY & CO 18K Yellow Gold Narrow Twist Ring in size 5. This classic ring, made to be worn with others or as a wedding band, is a simple and elegant narrow twisted band made of 18 karat gold. Enjoy this alone or collect a stack with the unforgettable style of Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.