Contact Us

Have a question about a gemstone or need a professional jewelry appraisal? Contact us or fill out the form below to schedule an appointment or learn more about our gemological services.

info@midwestgemlab.com

Scanning Electron Microscope (SEM) image showing the surface structure of a natural brown diamond at 50x magnification, part of advanced gem testing at Midwest Gem Lab in Minneapolis.

Natural brown diamond as seen in a Scanning Electron Microscope (SEM) at 50x

Visit Us

8085 Wayzata Blvd
Golden Valley, MN 55426

Hours
By appointment only - Normal office hours opening early 2026

Email
info@midwestgemlab.com