This is an authentic TIFFANY 18K Yellow Gold Twist Bow Ring in a size EU 53.5, US6.5. This stylish 18 karat yellow gold ring is a lovely delicate piece with a crossover bow for an elegant one of a kind look only from Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.