It was in Japan that the first successful cultivation of pearls was achieved in the early 1900s with Akoya oysters. From that time on, the cultivation techniques of Akoya pearls significantly increased pearl productivity and made pearl jewelry affordable. Great luster and perfect roundness are the hallmarks of Akoya pearls, which are the most representative of the classic elegant style. After decades of development, the Japanese Akoya cultivation technique has been widely adopted and developed by other counties, such as China, South Korea, Vietnam and Australia. .