Gemological Science Info Guide: GSI certified - GSI certificate - Diamond Reporting

Gemological Science International (GSI) is one of the world's largest gemological laboratory. GSI provides reliable, fast, and professional gemstone identification as well as grading and appraisal services to the global fine jewelry industry. GSI is the only major gemological laboratory established in the 21st century. Within a relatively short period of time, GSI has grown to become one of the largest gem labs in the world.

Diamond and Diamond Jewelry Grading
Certification Reports
Colored Gemstone Identification…
Metal Engraving
Laser Inscription
Virtual Vault™: Our Report Registry
MobilLab
Educational Services
and more ...


For more information visit: https://www.facebook.com/GemScience/
website: www.gemscience.net

Useful links:

GSI certified
GSI certificate



gsi

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

Comments on “Gemological Science Info Guide: GSI certified - GSI certificate - Diamond Reporting”

Leave a Reply

Gravatar