GWLAB™ is an independent gemological chain of laboratories, founded by Gemewizard® - a pioneer in the development of software solutions for colored stones, fancy colored diamonds and jewelry industries, enabling the analysis, description and communication of color in gems.
GWLAB World locations: laboratories (red) and take-in service offices (green)
Each GWLAB branch is a gemological complex composed of four sections: GWLAB gemological laboratory; jewelry and precious stones appraisals department; GW College, also known as Gem Color Academy, for gemological and gem-trade education and courses; and GWLAB Research and development center, led by Gemewizard experts.
GWLAB provides variety of services, including: diamond grading, colored diamond grading, laboratory-grown diamond grading and gem identification reports; professional consultation to jewelers, goldsmiths, insurance appraisers, tax authorities and the public; appraisal services for jewelry and precious stones; laser inscriptions services on diamonds and colored stones; and educational lectures and seminars about a wide range of gemological and gem trade-related topics.
Testing a diamond at GWLAB laboratory
The GWLAB team comprises highly professional gemologists, graduated at the world-renowned gemological institutes: GIA and GEM-A, and specializing in the analysis and grading of color, clarity and cut in gems, using state-of-the-art analytical equipment. The team is directed by Menahem Sevdermish, FGA, a world-leading gemologist and gem expert.
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