Gemological Science International
is an independent gemological
laboratory that provides professional
gemstone identification, grading and
appraisal services to the fine jewelry
industry. It was established by its
parent company, Gem Experience LLC,
in March 2005. GSI’s management
team collectively offers three decades
of experience in the gem laboratory
industry.
Hudson Grove and Co. and Rony Tennenbaum are proud to have GSI laboratory grade and certify all their diamond jewelry.
To learn more about GSI laboratory go to: www.gemscience.net
Hudson Grove and Co. and Rony Tennenbaum are proud to have GSI laboratory grade and certify all their diamond jewelry.
To learn more about GSI laboratory go to: www.gemscience.net
NEW
by Gemological Science International
Virtual Vault TM - An Innovative new consumer security service created by GSI to
protect your GSI grading report.
Visit www.gemscience.net/virtualvault.html to learn more
Virtual Vault TM - An Innovative new consumer security service created by GSI to
protect your GSI grading report.
Visit www.gemscience.net/virtualvault.html to learn more