North American Gemological Laboratory (N.A.G.L.) is the Pacific Northwest’s leading provider of jewelry appraisals, diamond/gemstone grading, and laser inscriptions. N.A.G.L. has been serving retail consumers and the jewelry industry internationally, since 1998. All our services can be completed "While You Wait and Watch" or within 24-48 hours.

We offer fast turn-around because we understand our client’s desire for efficient service. We are the only laboratory internationally to provide "While You Wait and Watch" laser inscription.

Our company strives to provide extraordinary service, high quality appraisals and reports that are prepared with integrity, accuracy and a commitment to ethical business practices. We appreciate your Business!

We are proud members of the following associations