Item #: 853544 This is an authentic TIFFANY 18K White Gold Diamond Mini Heart Key Charm Pendant Link Necklace. The necklace is crafted of 18 karat white gold and features a delicate oval link chain holding a key pendant embellished with 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.