Pearl SEIWA ueno okachimachi



About Akoya Pearls

Akoya pearls are called pearl oysters(Akoya Oysters/English name Akoya pearl oyster etc./Scientific namePinctada fucata martensii)are pearls born from bivalves of the family Araceae, which are about 7-8cm in length. With calm waves in shallow seas with temperature of 15 to 23’c,ans are distributed over a wide area It is said that pearls with beautiful luster are born from the cool and warm sea water, brought by four season in Japan, 90% of Akoya pearls are from Japan.
Since the crystals of the nacre secreted by W. pearl oysters are very fine-grained, it is said that many of the Akoya pearls produced in them have good luster (TERI) and are round.

A representative of pearls with overwhelming brightness

The attraction of Akoya pearls “Luster (teri) ” in one word. Although it is small compared to other pearls, the shine emitted from the grains are powerful.
The attraction of Akoya pearls “Luster (teri) ” in one word. Although it is small compared to other pearls, the shine emitted from the grains are powerful. When light enters the pearl and refracts into human eye, what color you see is a color of brilliancy, called an interference of color, the pearls without “Luster (teri) ” are not beautiful. Even there are Ekubo or the shape is distorted, “Luster (teri) ” will make a woman beautiful. The Charm of Akoya Pearls are those with luster (teri).


Pearl from Ise, Nagasaki


We cultivate and research lavae, mother mussels and cell clams and only pearls that are collected there are collected there are purchased from manufacturers who process them in-house. Why should we do it consistently?
At, present, it is said that as 50types of pearl oysters are used that are resistant to disease and can withstand long – term cultivation by crossing Chinese pearl oyster and Persian pearl oyster some farmers procure and cultivate larvae, mother mussels and cell clams. If you do so, you won’t know where you grew… or what kind of pearl you got.
For example, suppose that you have purchased 1,000 young calms. some of them are good and some are bad. Of course, some shellfish will die due to environmental changes.
When growing our pearls we see too it that we keep an eye what environment it grew up and manage it by doing these process we can produce a pure domestic pearl with brilliance and thick luster, Made in Japan sets it apart from other pearls because it is produced exclusively at Hanjo Bay on Iki Island exclusively, there are no other aquaculture companies or factories, and the beautiful and natural sea is maintained.
In order to deliver pearls which are called living gems, in the best possible condition, the farm with 100 staff will be engaged in the management and cleaning of shellfish every day. Compared to normal cultivation period (7 to 10 months), it is cultivated for 6months to a 1year longer and uses only pearls with large nacre. It is a pearl thing. Pearls have been cultured for more than one year are called pearls. It is a precious pearl that only accounts for 20% of the total production.
We have been stuck to beautiful natural color by performing only the process of removing the organic substances attached during cultivation. (untoned)
Various risk and cost increase, such as increasing of mortality rate pearl oyster, quality control of shellfish securing the ground, and increasing labor cost, but the longer the cultivation period, the thicker the winding (maki) the more luster (teri)the pearl will be.
Japanese premium pearls, Not cheap yet with every value per cost.