What is the difference between Akoya and Mikimoto pearls?

The difference between Akoya and Mikimoto pearls comes down to specificity. Akoya is the general name for pearls derived from Pinctada fucata mollusks. These are prized for their smooth texture, round shape and attractive shine. Mikimoto pearls are pearls sold by the Japanese jewelry maker Mikimoto, which specializes in Akoya pearls. Nearly all Mikimoto pearls are Akoya pearls. However, other jewelers also sell Akoya pearl jewelry. On 1stDibs, find a collection of Mikimoto and Akoya pearls.