This is an authentic TIFFANY & CO 18k Yellow Gold Diamond Elsa Peretti Open Heart Pendant Necklace. This beautiful jewelry piece is made of 18 karat yellow gold. This stylish necklace is collar length and features a signature Elsa Peretti stylized heart with a single diamond for a one of a kind look only from Tiffany & Co! Follow this item for alerts. Tiffany is a registered trademark of Tiffany. FASHIONPHILE is not affiliated with Tiffany.