This is an authentic TIFFANY Sterling Silver Onyx Ziegfeld Ring Size 53, 6.25. This stunning ring is crafted with a sterling silver and a large rectangular step cut black onyx set in a sterling silver finished with a beaded edge. This is a stylish ring 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.