Insights

Education partnership GSI actively engages in education and training through masterclasses and collaborations with industry bodies, presenting a sales opportunity to offer training programs, certification services, and collaborative events to jewelry retailers and manufacturers.

Lab excellence As a leading gemological laboratory with published cost efficiencies and high productivity, position GSI as a preferred certification and grading partner for premium jewelry brands seeking reliable, scalable, and affordable reports.

Global reach With 13 offices across major markets (US, India, UAE, Hong Kong, Thailand), there is potential to expand business development efforts to multinational retailers and manufacturers looking for standardized grading and certification across regions.

B2B platform Recent launch of the GSI Stock Exchange and the focus on B2B services indicate opportunities to upsell data, inventory verification, and certification integration for wholesalers, manufacturers, and trade platforms.

Brand collaboration GSI already certifies prominent diamond brands; there is potential to partner with additional luxury brands and to offer co-branded certification programs, audits, and quality assurance services to enhance trust and transparency.

Similar companies to Gemological Science International (GSI)

Gemological Science International (GSI) Tech Stack

Gemological Science International (GSI) uses 8 technology products and services including Meta, Meta Ads Manager, WordPress, and more. Explore Gemological Science International (GSI)'s tech stack below.

Media & News

Gemological Science International (GSI)'s Email Address Formats

Gemological Science International (GSI) uses at least 4 email formats:
Gemological Science International (GSI) Email FormatsExamplePercentage
First@gemscience.netJohn@gemscience.net
38%
First.Last@gemscience.netJohn.Doe@gemscience.net
28%
FLast@gemscience.netJDoe@gemscience.net
25%
FirstL@gemscience.netJohnD@gemscience.net
9%

Frequently Asked Questions

What is Gemological Science International (GSI)'s phone number?

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You can contact Gemological Science International (GSI)'s main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Gemological Science International (GSI)'s official website and social media links?

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Gemological Science International (GSI)'s official website is gemscience.net and has social profiles on LinkedIn.

How much revenue does Gemological Science International (GSI) generate?

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As of August 2026, Gemological Science International (GSI)'s annual revenue is estimated to be $500M - $1B.

What is Gemological Science International (GSI)'s NAICS code?

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Gemological Science International (GSI)'s NAICS code is 4483 - Jewelry, Luggage, and Leather Goods Stores.

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

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As of August 2026, Gemological Science International (GSI) has approximately 191 employees across 3 continents, including North America, Asia and Africa. Key team members include Chief Learning Officer: A. I., Finance Controller: U. M. and Director Of Production And Services: N. T. Explore Gemological Science International (GSI)'s employee directory with LeadIQ.

What industry does Gemological Science International (GSI) belong to?

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

What technology does Gemological Science International (GSI) use?

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Gemological Science International (GSI)'s tech stack includes Meta, Meta Ads Manager, WordPress, WooCommerce, Microsoft 365, Zoho Mail, Brevo and DigitalOcean Web Hosting.

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

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Gemological Science International (GSI)'s email format typically follows the pattern of First@gemscience.net. Find more Gemological Science International (GSI) email formats with LeadIQ.

When was Gemological Science International (GSI) founded?

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Gemological Science International (GSI) was founded in 2005.
Gemological Science International (GSI) logo

Gemological Science International (GSI)

Retail Luxury Goods and JewelryNew York, United States51-200 Employees

Gemological Science International (GSI) operates as a gemological laboratory offering gemstone identification, grading, and appraisal services. It also certifies a number of prominent diamond brands and serves major jewelry retailers and manufacturers worldwide. With 13 offices across the United States, India, UAE, Hong Kong, and Thailand, the company maintains a global footprint and has redesigned its workflows to boost productivity and reduce costs for customers. Headquartered in Manhattan, New York, GSI operates within the retail luxury goods and jewelry sector, providing independent gemstone verification and education. Recent partnerships in India have supported gem identification masterclasses, signaling an expansion of industry training offerings. The group maintains a global network to support a diverse client base of retailers and manufacturers.

Section iconCompany Overview

Phone number
NAICS Code
4483 - Jewelry, Luggage, and Leather Goods Stores
Founded
2005
Employees
51-200

Section iconFunding & Financials

  • $500M - $1B

    Gemological Science International (GSI)'s revenue is estimated to be in the range of $500M - $1B

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