Item #: 1554907 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 key pendant with Roman numeral cutout motifs alternating between round brilliant cut diamonds, approximately .02 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.