For it's luster and beauty

Akoya pearls are produced from the oyster known as Pinctada fucata martensii, which is the smallest pearl producer known in the oyster family. These pearls are known for their pristine round shapes, which make them an ideal and popular choice for necklaces and matching earrings. However, aside from being consistently round, they can also have a semi-round, baroque and semi-baroqe shape.
Although also produced in China, they previously were considered the Japanese pearl, and were cultured primarily in Ehime, Mie, Oita, Nagasaki and Kumamoto prefectures.

The water temperature of the ocean where they grow is considerably low, and fluctuates with the coming of each new season. Akoya pearls develop a unique luster and color, which is caused by the compacting of the aragonite crystals pearl necklace jewelry which form in the water during seasonal change. The ideal Akoya pearl is one that has the perfect amount of crystals as well as nacre, and is considered to be the most lustrous and beautiful of all pearls.

For it's luster and beauty, the akoya pearl is used in a lot of pearl jewelry sets, as well as akoya pearl necklaces. An akoya pearl jewelry set makes the perfect Christmas, birthday, or anniversary gift.

Abalone pearls found in nature vary greatly in color and shape, and may either be solid or hollow. The shapes may be round, oval, flat baroques, or even giant horn-like shapes. The colors of the natural abalone pearls may be anything between royal blues and greens, and magentas, or silver pinks, golds, bronzes, silvers, crèmes, purples, and even mystifyingly beautiful combinations. It is even possible for a single abalone to produce several pearls of different shapes and colors. Natural abalone pearls grow within thick nacreous layers which are joined together with organic conchiolin. They are formed in a way that is quite similar to the way Oriental Pearls are formed, except that the nacreous layers in abalone are thicker.

Abalone pearls may be used within all different kinds of accessories and jewelry, and may even be matched for sets as long as they are painstakingly collected by the right jeweler. Though expensive for pearl farming, abalone does have its commercial advantages, as it is the only mollusk which can be used in its entirety. Its shell is used for inlay, buttons, and carvings, its meat is used for food, its guts are used for fishing bait, and of course, its pearls are wondrously valuable gems. The price of abalone pearls can range anywhere from several hundred dollars to tens of thousands of dollars, in the case of the rarest, highest quality pearls.MORE;black tahitian pearl earring