GSI Headquarters and the Laboratory
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Work Group, Category & Country
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Category
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Work Group
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Country
United States
About Us
Gemological Science International is a gemological laboratory, where each diamond is graded by hand and eye. Skilled and experienced team, modern equipment, and the latest software guarantee high-quality and accurate grading results. The Four Pillars of GSI’s philosophy are: Integrity, Innovation, Professional Service, and Research & Education, which distinguishes this laboratory from many others.
International Dialing Code For United States
United States
Dialing code
+1
+1
Call & Message
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Telephone
2122074140 -
Email
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Website
Address MAP
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Street Address
581 Fifth Ave 4th Floor -
City
New York -
State / Province
New York -
Zip / Postal Code
10017
Postal Address
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City
New York -
Zip / Postal Code
10017