This is an authentic TIFFANY 18K White Gold Diamond Filigree Heart Pendant Necklace. This beautiful necklace is crafted of an 18 karat white gold chain that holds a filigree heart lock pendant that is encrusted with diamonds approximately 1.35 total carat weight. Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.