®

How to Contact Us

Clayton DeVoe
Charles DeVoe

phone: (406) 549-7711
fax: (406) 721-9489
email: clayton@gradeddiamonds.com

Please insert the word "jewelry" or "diamond" or similar word in the subject line of your message or we may not receive it

address:

Gemological Institute of the Rockies
310 N Higgins
Missoula MT 59802