Mikimoto 18ct White Gold Diamond 11mm White South Sea Pearl Ring, PRL 693ND 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 stunning ring from Mikimoto features an exquisite 11mm Grade A+ white South Sea pearl, creating a perfect focal point to the piece. The 18ct white gold setting features a split design with three bands that are embellished with sparkling brilliant cut diamonds, totalling 0.36cts, to give this piece a true sense of luxury. This ring comes beautifully packaged in a unique Mikimoto presentation box with certificate of authenticity.