Global Gemological Laboratory is widely recognized as one of the world's premier scientific gemological laboratories. We have been providing diamond, colored gemstone and jewelry certificates and appraisals to the jewelry trade and individuals throughout the United States and abroad for the past 17 years. We had a pleasure to work with some of these fine companies: Baguette World, Fred Meyer, Greenberg's Jewelers, Hurst Jewelers, Jared, Kay Jewelers, Morgan Jewelers, Oved, North American Jewelers, Reeds, Sam's Club, Uni Creation, Waldman Diamond Co., Yehuda Diamond Co. and many others.

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Karen Lindberg

Apr 28, 2022

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Please send a message to hailee Amy Jordan Compton halterman she works at pet place! Come see Joe! If you have a baby he will be crushed if you don't! And he is giving you all his inherited $ one day when he passes away! It all goes to you hailee! And he's got some nice ruby's! For you and your first child!

Lucille Baldwin

Nov 13, 2018

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I purchased a ring and it was appraised at $12000. I took it to two different pawn shops - $250 - $300. Even if they offered 10 percent that is still a huge difference.

Leonardo Martinez

Feb 27, 2016

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GIA-Type Diamond And Gemstone Appraisers located right outside of LA.