The Akoya pearls from the salt water of Japan are cultured in the Pinctada fucata oyster. All of our Akoya pearl necklaces are made locally ✦ HIGHEST QUALITY JEWELRY ✦ Hand picked genuine pearls with thick and iridescent mother of pearl. Imported direct from the source, our pearls represent the finest in brilliance and quality. All of our products come with a genuine cultured pearl guarantee!