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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
My Laboratory & GIA Laboratory Client Portal. Now featuring...
- 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
Spanish conquistadors, Inca kings, and pharaohs treasured...
- My GIA
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.
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What is the GIA melee analysis service?
You can manage your team members and provide access to My Laboratory, update payment preferences, view open balances and create shipping memos. Also, view and manage the status of your items being graded at a GIA laboratory, add services, print reports, download GIA report PDFs and much more.
GIA is the world’s foremost authority on diamonds, colored stones, and pearls. Learn about its history, education, research, and quality standards in gems and jewelry.
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.
From the Hope diamond to the Spirit of the Rose, the Taylor Burton and the Lesotho Promise, we are trusted by museums and top auction houses all over the world to grade and research nature’s finest treasures.