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GIA is a nonprofit organization that provides research, education and laboratory services for gem and jewelry professionals and enthusiasts. Learn about gemology, diamond origin, field gemology, AGS Ideal Report and more.
- My GIA
You can manage your team members and provide access to My...
- Report Check
Report Check - Gemological Institute Of America | All About...
- Analysis & Grading
GIA is the world’s most trusted name in diamond grading and...
- Contact Us
Mailing Address GIA World Headquarters The Robert Mouawad...
- Submit A Gem
The GIA Memo Creator connects directly to your client portal...
- LIST YOUR STORE
Search a city or postal code to find retailers who carry...
- Visit GemKids Website
Outdoor School: Rock, Fossil, and Shell Hunting. The...
- Diamond Grading Reports
GIA Diamond Grading Report. The GIA Diamond Grading Report...
- 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.
My GIA is a portal for GIA students and clients to access online courses, laboratories, and reports. Log in to register, pay, update, and manage your account information and grading results.
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GIA Jewelry Design Graduate. My family has a background in shipping, but I have a passion for haute couture jewelry. I entered the jewelry business in 2004 when I pursued the Applied Jewelry Professional and Graduate Diamond Diploma Programs from GIA in Dubai.
- Gia Diamond Grading Report
- New! Gia Diamond Origin Report
- Gia Diamond Dossier®
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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. For standard round brilliant cut diamonds falling in the D-to-Z color range, the report also includes a GIA Cut grade...
The new GIA Diamond Origin Report contains all the unbiased, accurate data of a Diamond Grading Report, plus GIA’s scientific determination of the diamond’s country of origin and a microscopic laser inscription of the report number on the diamond’s girdle. Image-rich, interactive materials accompany the report, telling the story of the diamond’s ho...
The GIA Diamond Dossier offers the same grading information as the GIA Diamond Grading Report but without the plotted diagram. As an added security feature, the Dossier service includes a microscopic laser inscription of the report number on the diamond’s girdle. The GIA laboratory issues the Diamond Dossier for loose, natural diamonds between 0.15...
Learn about the different types of GIA reports for loose, natural diamonds, including the new Diamond Origin Report and the Diamond Dossier. Find out how to read a GIA report and what a laser inscription is.
The GIA Melee Analysis Service screens natural diamonds from simulants, laboratory-grown and potentially HPHT treated natural diamonds for round and fancy-shaped melee. For round melee only, the screened diamonds can be sorted by color range for an additional 10% charge.
GIA is the world's foremost authority on diamonds and gemstones. Learn how to buy a diamond with the 4Cs of diamond quality: cut, color, clarity and carat. Find a GIA-trained jeweler or shop online with a GIA grading report.