Mikimoto 18ct White Gold Diamond 8mm White AA Akoya Pearl Stud Earrings, PES 803D 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 glamorous 18ct white gold Mikimoto earrings feature two uniform AA Grade white cultured pearls, 8mm in size. The earrings are embellished with a single diamond each side, totalling 0.20cts. They are finished with 18ct white gold post and butterfly style fastenings for secure and easy wear. The earrings come beautifully packaged in a unique Mikimoto presentation box with certificate of authenticity.