After 12 years of experimentation, Mikimoto produced his first spherical pearl in 1905. He used round beads from the mom of pearl to nucleate his oysters. We're grateful for Mikimoto and all those early pioneers who made the culturing of pearls attainable. Cultured pearls need glorious environmental situations to develop - unpolluted water and healthy coral reefs are essential in any other case the farm will yield low harvests. As it was, natural pearls were already uncommon - thousands of moll...