Mikimoto 18ct White Gold 10mm Golden A+ South Sea Pearl Necklace, PP 20297G 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. The Golden South Sea Pearl Collection features a large range of pieces that are celebrated for their beautiful natural golden colours that range from a champagne shade to a deep gold. This classic Mikimoto necklace is a simple but stunning piece that features a single 10-11mm A+ grade Golden South Sea cultured pearl set on an elegant 18ct white gold necklace, adjustable from 40 to 43cm. The necklace comes beautifully packaged in a unique Mikimoto presentation box with certificate of authenticity.