Item #: 1851446 This is an authentic TIFFANY 18K Rose Gold Diamond Heart Key Pendant Necklace. The necklace is crafted of 18 karat rose gold and features a high polished heart motif key pendant set with round brilliant cut diamonds, weighing approximately .05 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.