GSI gem lab uses cutting edge technology and expert, professional staff to offer high quality testing and identification services for diamond and colored gemstones. Their gemological services are very reliable, efficient, and convenient. They are the first gemological lab to implement these advance technologies. They also interacts with other organizations to coordinate educational grading programs and grading services. On https://gemscience.net/contact/ you can eaisly find their contact details and get in touch with them to get further more information.

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