Company
Company Information
Company Name
HITOTSUNO Co., Ltd. 株式会社ひとつの
Founder & CEO
Tomoya Iwama
Established
2021 – Japan
International service launched 2025
Headquarters
215-1-1 Nakano, Fuji-shi, Shizuoka 417-0809, JAPAN
Business
Ethical Gemstone Subscription Service
Curating and delivering overlooked natural gemstones worldwide
Registration
Registered Corporation in Japan
Corporate Number: 5080101022897
Contact
Email: hello@wabisabigems.com
Support hours
Monday–Friday 9:00–17:00 (Japan Standard Time)
We reply within 24 hours