Mikimoto Morning Dew 18ct White Gold Diamond White Akoya Pearl Ring, PRL 538D 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. This beautiful Mikimoto statement ring features a single white 8x8.5mm Akoya cultured pearl. The pearl ring is further embellished with 0.31cts of sparkling brilliant cut diamonds, adding an extra luxurious sparkle. The ring is completed with a solid 18ct white gold band. This ring comes beautifully packaged in a unique Mikimoto presentation box with certificate of authenticity.