Contact Us

Northwest Gemological Laboratory (NGL)
Northwest Gemological Institute (NGI)

10801 Main Street Suite 105
Bellevue, WA 98004-6366

Tel: +1 425.455.0985
Fax: +1 425.454.3088


Ted Irwin:

Jennifer Johnson: 

Tracey Meltzer:  

Call for information on either the appraisal laboratory (NGL) or school of gemology (NGI). While-you-wait appraisals require reservations in advance.

Both the lab and school are located in a two story office complex in downtown Bellevue, Washington. Free client parking is at the East end of the building off Main Street, walk west on Main Street to the double doors that look directly across to Tully’s.  Baylis Architects has their sign out front.  All other entrances are locked and secured. Parking below the building is reserved for tenants). Across the street are Tully’s Coffee, PetSmart, Office Depot, and Toys-R-Us. In addition, The Bellevue Collection, The Galleria and other major downtown shopping and businesses are nearby.

Phone: 425.455.0985 | Fax: 425.454.3088 | Office: 10801 Main Street Suite 105 Bellevue, WA 98004
Office Hours: Monday-Thursday 8:30am - 4:00pm, Friday 8:30am - 3:30pm, Closed Saturday and Sunday

© 2012-2018 Northwest Gemological Laboratory, Inc.