Mikimoto 18ct White Gold 0.07ct Diamond White 7mm Pearl Necklace. PPL 407 DW. 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 elegant Mikimoto necklace features an exquisite white Akoya cultured pearl 7mm in size and is embellished with 0.07ct round brilliant cut diamonds in a floral inspired design. The pendant sits gracefully on an 18ct white gold chain and would be a beautiful addition to any jewellery lovers collection. The necklace comes beautifully packaged in a unique Mikimoto presentation box with certificate of authenticity.