This is an authentic MESSIKA 18K White Gold Diamond Joy Coeur Heart Pendant Necklace. The necklace is crafted of 18 karat white gold and features a diamond chain holding a heart cut diamond station pendant framed by pave-set round brilliant cut diamonds, approximately .30 total carat weight. Follow this item for alerts. Messika is a registered trademark of Messika. FASHIONPHILE is not affiliated with Messika.