This is an authentic MIKIMOTO 18K White Gold Diamond Black South Sea Cultured Pearl 12mm Pendant Necklace. The necklace is crafted of 18 karat white gold and features an oblong shaped cultured black south sea pearl in an organic four prong set pendant. The pendant is also accented with diamonds weighing approximately .35 total carat weight. Follow this item for alerts. Mikimoto is a registered trademark of Mikimoto. FASHIONPHILE is not affiliated with Mikimoto.