Company profile

International Gemological Institute - USA

Industry
Retail Luxury Goods and Jewelry
Employees
462
Headquarters
New York, NY
Founded
1975
LinkedIn followers
28,684
Office locations
2

International Gemological Institute - USA company summary

International Gemological Institute - USA is a company in the Retail Luxury Goods and Jewelry industry, headquartered in New York, NY, founded in 1975. On LinkedIn the company has around 462 employees and 28,684 followers. Warmrank detected 45 technologies across 25 categories on igi.org, including Apple iCloud Mail, Bootstrap, Bootstrap Table. The company lists 2 office locations. Its listed specialties include Gemological Services, Jewelry Appraisals, Diamond Grading Reports, Colored Stone identification Reports, Laser Inscription Services.

What technology does International Gemological Institute - USA use?

Warmrank detected 45 technologies on igi.org, last checked July 2026. Click any tool to see other companies that use it.

About International Gemological Institute - USA

IGI, a Blackstone portfolio company, is the world’s largest independent provider of gemological services. With 31 advanced laboratories and 18 gemology schools worldwide, IGI is a trusted industry partner, committed to objectivity and accuracy. With state-of-the-art laboratories in New York City and Los Angeles, IGI USA delivers expert gemstone evaluation, reporting, and education to professionals and consumers from coast to coast. Our comprehensive services include the analysis of natural and lab-grown diamonds, colored gemstones, finished jewelry, appraisals, and educational programs.

Specialties

Gemological ServicesJewelry AppraisalsDiamond Grading ReportsColored Stone identification ReportsLaser Inscription ServicesPearl Identification ReportsGemological Education Courses

Where is International Gemological Institute - USA located?

International Gemological Institute - USA lists 2 office locations.

New York, NY, USHQ
545 5th Ave
Los Angeles, California, US
550 S Hill St

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Frequently asked questions about International Gemological Institute - USA

What does International Gemological Institute - USA do?

IGI, a Blackstone portfolio company, is the world’s largest independent provider of gemological services. With 31 advanced laboratories and 18 gemology schools worldwide, IGI is a trusted industry partner, committed to objectivity and accuracy. With state-of-the-art laboratories in New York City and Los Angeles, IGI USA delivers expert gemstone evaluation, reporting, and education to professionals and consumers from coast to coast. Our comprehensive services include the analysis of natural and lab-grown diamonds, colored gemstones, finished jewelry, appraisals, and educational programs.

What technology does International Gemological Institute - USA use?

Warmrank detected 45 technologies on igi.org, including Apple iCloud Mail, Bootstrap, Bootstrap Table, Cloudflare, Cloudflare Browser Insights, Facebook Pixel, Font Awesome, Google Ads.

How many employees does International Gemological Institute - USA have?

International Gemological Institute - USA has around 462 employees on LinkedIn.

Where is International Gemological Institute - USA headquartered?

International Gemological Institute - USA is headquartered in New York, NY.

Where does International Gemological Institute - USA have offices?

International Gemological Institute - USA lists 2 office locations, including New York, NY, US; Los Angeles, California, US.

When was International Gemological Institute - USA founded?

International Gemological Institute - USA was founded in 1975.

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