Item #: 239020 This is an authentic TIFFANY & CO 18K White Gold Diamond Narrow Streamerica Ring in a size 50, 5.25. This 18 karat white gold ring has a matte finish along with five diamonds. A marvelous ring for a one of a king look only from Tiffany and Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.