Ring Concierge founder and CEO Nicole Wegman ... "The highest quality pearls are Akoya Pearls and are found off the coast of Japan. They are graded A-AAA, with AAA being the best," Wegman said.

Japan's akoya oysters have been preëminent among cultured pearls ever since Kokichi Mikimoto first established the industry in the early part of this century. But since 1994, something has been ...