Event

MENTOSEN will launch its new collection on Friday, November 6. Visit SHINKO STUDIO during our New Collection Week, from November 6 (Fri) to 15 (Sun), 2026.

From Thursday, June 25th to Thursday, July 9th, we will be holding our 60th Anniversary Week.
To celebrate our 60th anniversary, all products will be 3% off the displayed price!
The first 30 customers to visit will receive an original icing cookie from MENTOSEN, SHINKO STUDIO.

MENTOSEN Diamond & Bridal FairMay 22 (Fri) – June 9 (Tue), 2026Discover our exclusive collection focusing on unique diamonds, featuring fancy colors and exquisite shapes like Princess, Pear, Heart, Marquise, and Emerald cuts.

MENTOSEN will be holding a wedding ring fair at the MENTOSEN studio in Setagaya, Tokyo, from May 22nd (Fri) to June 9th (Tue), 2026.
During the fair, you can view our original ring collection, as well as fancy-colored and fancy-shaped loose diamonds in-store.
We offer a one-of-a-kind, original wedding ring, custom-made to order using the loose gemstone of your choice.
We have a gift prepared for those who purchase wedding rings during the fair period.

MENTOSEN will release new rings on Friday, December 12, 2025.

MENTOSEN(メントセン)のジュエリーは、11月22日㈯まで、帝国ホテルアーケード街、マユヤマジュエラーの店外ディスプレイ(マユヤマジュエラーすぐ横）で展示中です。

MENTOSEN will hold an exhibition at Place D'Uji in Jingumae from July 25th (Fri) to 27th (Sun).

Place D'Uji is a lifestyle shop that opened this April, featuring unisex clothing and art pieces designed by fashion designer Masato Uji, along with fashion accessories, interior goods, and more.

MENTOSEN Exhibition at Yunomi Life Studio March 20, 2025 (Thurs., Holiday) - 29 Sat.
A special exhibition on 'Tea' and 'Jewelry' that brings people together, linking creators and those who appreciate.