Mikimoto 18ct Yellow Gold 8mm A+ Black South Sea Pearl Stud Earrings, PES 802B K.  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 feature two uniform Black South Sea Grade A+ cultured pearls 8mm in size. The earrings are finished with 18ct yellow gold posts and butterfly style fittings for secure and easy wear. These earrings come beautifully packaged in a unique Mikimoto presentation box with certificate of authenticity.