Item #: 930228 This is an authentic TIFFANY 18K Yellow Gold Diamond Heart Locket Pendant Necklace. The necklace is crafted of 18 karat yellow gold and features a miniature heart padlock pendant with three round cut diamonds at it's center, approximately .05 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.