Item #: 970953 This is an authentic TIFFANY 18K White Gold Diamond Mini Heart Key Pendant. The necklace is crafted of 18 karat white gold and features a heart motif key pendant set with sparkling diamonds, approximately .10 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.