This is an authentic CHOPARD 18K Rose Gold Diamond Onyx Happy Hearts Necklace. The necklace is crafted of 18 karat rose gold and features a large heart set with black onyx dropped from a miniature heart containing a "floating" diamond, approximately .05 carats. Follow this item for alerts. Chopard is a registered trademark of Chopard. FASHIONPHILE is not affiliated with Chopard.