Mikimoto 18ct White Gold 6-6.5mm White Grade AAA Pearl Stud Earrings PES 605 W 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. These classic Mikimoto earrings features two uniform white Grade AAA cultured pearls 6-6.5mm in size. The earrings are finished with 18ct white gold post and butterfly style fastenings for secure and easy wear. These earrings come beautifully packaged in a unique Mikimoto presentation box with certificate of authenticity.