Year: 2010 This is an authentic CHOPARD 18K White Gold Happy Diamonds Icons Square Heart Necklace. The necklace is crafted of 18 karat white gold and features a square pendant accented with a floating diamond and pave-set diamonds along the frame, approximately .33 total carat weight. Follow this item for alerts. Chopard is a registered trademark of Chopard. FASHIONPHILE is not affiliated with Chopard.