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Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.
- My GIA
You can manage your team members and provide access to My...
- Report Check
- Submit a Gem
The GIA Memo Creator makes it easier than ever to submit...
- Birthstones
Birthstones are a fun, popular and colorful introduction to...
- GIA Facetware
GIA Facetware® is a free online service that allows you to...
- Programs & Courses
One of the most sought-after gemology credentials, the GIA...
- GIA Locations
GIA Ramat Gan is open with limited capacity . We are...
- Diamond Essentials
This course covers how to describe diamond jewelry...
- Graduate Gemologist
The GIA Graduate Gemologist diploma program delivers a...
- My GIA
Take this quick survey. Report Check. GIA reports represent the highest standard of reliability, consistency and integrity. And now, GIA Report Check is available for all GIA reports, providing you with an additional level of assurance.
A Tradition Of Science and Education. Established in 1931, the Gemological Institute of America (GIA) is the world’s foremost authority on diamonds, colored stones, and pearls. A public benefit, nonprofit institute, GIA is the leading source of knowledge, standards, and education in gems and jewelry.
Verify that your diamond has an authorized GIA report by pairing the GIA App with the GIA Match iD™. Save and organize reports, or create a diamond wishlist. Get brilliant about the 4Cs via videos, articles and interactive tools.
Get to know all you need about diamond – the history, facts, quality factors, treatments, imitations and much more here at GIA.
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