This is an authentic TIFFANY 18K Yellow Gold Diamond .51ct Heart Station Pendant Necklace. The necklace is crafted of 18 karat yellow gold and features a heart motif station pendant set with round brilliant cut diamonds, approximately .51 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.