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related to: GiaBrowse Our Diamonds Online Or Visit A Blue Nile® Jewelry Store To Find The Right Diamond. Our Diamonds Are Selected With Well-Graded Elements Of The 4Cs: Cut, Color & Clarity.
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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...
- Contact Us
Mailing Address GIA World Headquarters The Robert Mouawad...
- LIST YOUR STORE
Search a city or postal code to find retailers who carry...
- 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...
- Diamond Essentials
This course covers how to describe diamond jewelry...
- Graduate Gemologist
The GIA Graduate Gemologist diploma program delivers a...
- My GIA
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.
GIA’s groundbreaking research and unbiased grading and analysis set the global standards that protect the gem-buying public. With campuses, research centers, and laboratory facilities around the world, GIA is the world’s foremost authority in gemology.
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.
The GIA Diamond Grading Report includes an assessment of a diamond’s 4Cs – color, clarity, cut, and carat weight – along with a plotted diagram of its clarity characteristics and a graphic representation of the diamond’s proportions.
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