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.

Figure 1. This strand contains more than 300,000 akoya keshi pearls, each one only 0.7–0.9 mm in diameter. Photo by Eric Welch. How small can a pearl be? At the American Gem Trade Association show in ...

Akoya cultured pearls are the most familiar type of saltwater cultured pearl to most people in the U.S and other western markets. Many customers think of white or cream colored akoyas as the classic ...