Mikimoto 18ct White Gold 8mm Black A+ South Sea Pearl Necklace, PPS 802B 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 classic Mikimoto necklace is a simple but stunning piece that features an 8mm Grade A+ Black South Sea cultured pearl. The pendant is completed by an 18ct white gold chain, measuring 45cm in length.   This necklace comes beautifully packaged in a unique Mikimoto presentation box with certificate of authenticity.