Mikimoto 18ct white gold sapphire diamond akoya pearl pendant necklacemkm088 this beautiful 18ct whitegold sapphire diamond andakoya pearl pendant necklaceis simple and classic in design it is suspended from a 44cm 18 carat white gold chain over a century ago kokichi mikimoto succeeded in creating the worlds 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 mikimoto 18ct white