Gemological Consulting Services LLC.
1904 3rd Avenue Suite 102

Lobby, Securities Building
Seattle, WA  98101

Phone:  206.624.3798

Email:   info@gemcsi.com

Parking available in the Securities Building Garage

By Appointment

Monday through Thursday
10:00 am – 5:00 pm

Friday
10:00 am – 3:00 pm