Item #: 1343773 This is an authentic TIFFANY 18K Rose Gold Diamond Atlas Pierced Key Pendant Necklace. The necklace is crafted of 18 karat rose gold and features a Roman numeral accented skeleton key motif with rubies. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.