Mikimoto 18ct White Gold 6.5mm White Akoya Pearl Necklace, U65118 W JPW. Over a century ago, Kokichi Mikimoto succeeded in creating the world\'s first cultured pearl. His quest for perfection and his love for these pure, lustrous gems of the sea were the guiding forces that built the house of Mikimoto. This classic Mikimoto 18 inch necklace features a strand of exquisite white Akoya cultured pearls, 6-6.5mm in size. The necklace is secured by an 18ct white gold Mikimoto signature clasp and features an elegant Mikimoto \'M\' charm for a classic finish. This necklace comes beautifully packaged in a unique Mikimoto presentation box with certificate of authenticity.