Mikimoto 18ct white gold 007ct diamond black south sea pearl ring prl488bdw in 1893 kokichi mikimoto succeeded in creating the worlds first cultured pearl and ever since his love for these pure lustrous gems of the sea has beenhismotive behind the brand of mikimoto he is now world renowned as the primary producer of the finest quality cultured pearls and a world leader in sophisticated and feminine pieces of jewellery for as long as the brand has been founded elegant women worldwide