- Jun.1973
- Established as Tsutsumi Precious Metals and Crafts Co., Ltd.
- Apr.1988
- Changed company name to Tsutsumi Jewelry Co., Ltd.
- Sep.1991
- Registered for over-the-counter dealings with the Security Business Association of Japan (Inc.) and launched a public offering.
- Jun.1993
- Transferred headquarters to the present location.
- Sep.1994
- Listed on Section 2 of the Tokyo Stock Exchange
- Sep.1996
- Shares designated as TSE Section 1 shares
- Mar.1997
- Started operation of ProductControlCenter in Warabi, Saitama Prefecture.
- Dec.2000
- Established Tsutsumi Scholarship Foundation
We have been Japan's largest importer of diamonds from India, which is home to the world's largest cutting center, in terms of value for 17 years running.