This is an authentic TIFFANY Rubedo Narrow 1837 Ring in a size 54.5 or 7. This stylish 4mm ring is crafted of rubedo rosy metal with Tiffany & Co etched along the band. This is a spectacular ring for a distinctive look, from Tiffany. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.