
Original name
The three original designations “Kishu Senpou” “Tenkyo” and “Junihitoe” are given to those with an excellent or better luster and nacre quality.
※ “Kishu Senpou” “Tenkyo” and “Junihitoe” Trademark registration pending
About Discrimination
We evaluate the quality of Akoya pearls in a strict and neutral manner under the collaboration of RSE Laboratory, one of the leading pearl identification institutions in Japan.

About Us
KISHUN Inc.
Cross Point Okachimachi 8F,
4-33-1 Taito, Taito-ku, Tokyo 110-0016, Japan
Tel: +81-3-5816-6363
Fax: +81-3-5816-6361
https://kishun.co.jp/
RSE Laboratory Inc.
THE GATE UENO 2F,
1-12-2 Higashi-Ueno, Taito-ku, Tokyo 110-0015, Japan
Tel: +81-3-5834-3912
Fax: +81-3-5834-3913
https://www.rse-lab.jp/index.html