Gemological Science International (GSI) Employee Directory

Q: What is Gemological Science International (GSI) known for?

Gemological Science International (GSI) was founded in 2005. Gemological Science International (GSI) operates in the Retail Luxury Goods and Jewelry industry.

Retail Luxury Goods and JewelryUnited States51-200 Employees

Gemological Science International (GSI) is one of  the largest gemological laboratories with 13 offices in the United States, India, UAE, Hong Kong and Thailand. 

GSI is the most technologically advanced gemological laboratory that provides professional gemstone identification, grading and appraisal services to some of largest and most recognized fine jewelry retailers and manufacturers worldwide.

We provide certification for  some of  the world's most prominent diamond brands, such Leo Diamond, Tolkowsky Diamond, Sitara, Solitaria and many others.

GSI has re-engineered the processing paths for gem identification and grading, which has resulted in higher levels of productivity and reduced costs. This cost efficiency is passed on to our customers and ultimately to consumers, making these beneficial grading reports more affordable.

Find Gemological Science International (GSI) employees' phone numbers or email addresses

Gemological Science International (GSI) Global Highlights

Asia
69

India
66
Sri Lanka
1
United Arab Emirates
1
Iran
1

North America
45

United States Of America
45

Africa
3

Kenya
1
Botswana
1
Nigeria
1

Gemological Science International (GSI)'s Leadership

A. I.
Chief Learning Officer
Mobile Phone
Email
N. D.
Chief Information Officer
Mobile Phone
Email
J. P.
Managing Director
Mobile Phone
Email
U. M.
Finance Controller
Mobile Phone
Email
E. R.
Human Resources Director
Mobile Phone
Email
N. T.
Director Of Production And Services
Mobile Phone
Email
S. P.
Manager - Software Development
Mobile Phone
Email
B. Z.
Operations Manager
Mobile Phone
Email

Contact profiles from Gemological Science International (GSI)

Name

Title

Contact Info

Location

Last Update

S. R.
Business Development Manager
Mobile Phone
Email
IndiaTelangana
Aug 24, 2025
S. N.
Branch Manager
Mobile Phone
Email
IndiaKarnataka
Sep 10, 2025
P. C.
Screening Manager
Mobile Phone
Email
United StatesNew York
Nov 09, 2025
P. P.
Screening Manager
Mobile Phone
Email
United StatesNew York
Oct 22, 2024
N. P.
Senior Software Developer
Mobile Phone
Email
IndiaMaharashtra
Aug 03, 2025
R. P.
Senior Grader
Mobile Phone
Email
IndiaMaharashtra
Oct 18, 2025
V. Y.
Research Assistant & Gemologist
Mobile Phone
Email
IndiaMaharashtra
Aug 10, 2025
M. M.
Diamond Grader
Mobile Phone
Email
IndiaMaharashtra
Aug 08, 2025
H. M.
Diamond Grader
Mobile Phone
Email
IndiaMaharashtra
Aug 11, 2025
I. W.
Laboratory Technician
Mobile Phone
Email
United StatesNew York
Oct 27, 2025

Frequently Asked Questions

What is Gemological Science International (GSI) known for?

Gemological Science International (GSI) was founded in 2005 operates in the Retail Luxury Goods and Jewelry industry. The company's main headquarters is located in 551 Fifth Avenue, 6th Floor st 601 Manhattan, New York 10176, US; you can contact the main corporate office by phone at

+1-212-207-****

. Explore Gemological Science International (GSI)'s company overview page for more information.

What is Gemological Science International (GSI)'s most common email format?

Gemological Science International (GSI) employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Gemological Science International (GSI) email formats with LeadIQ.

How many employees does Gemological Science International (GSI) have currently?

Gemological Science International (GSI) has approximately 171 employees as of October 2025. These team members are located across 3 continents, including AsiaNorth AmericaAfrica.

Who are Gemological Science International (GSI)'s key employees and leadership?

As of October 2025, Gemological Science International (GSI)'s key employees include:

Chief Learning Officer: A. I.
Chief Information Officer: N. D.
Managing Director: J. P.
Finance Controller: U. M.
Human Resources Director: E. R.

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