to the Northwest's first and foremost
Northwest Gemological Laboratory is the consumer's advocate, serving the public directly and through jewelers nationwide since 1978. Our Graduate Gemologists adhere to the highest standards in the industry without ethical compromise.
appraiser of fine jewelry.
to the Northwest's School for Gemology.
Since 1978, the Northwest Gemological Institute has offered courses in diamond grading and gem identification in a laboratory setting. Specialty classes from simple gems to antique jewelery add recognized experts to our own brand of hands-on, small group instruction open to both the trade and public.
2012-2017 Northwest Gemological Laboratory, Inc.