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GIA is a nonprofit organization that provides gemological research, education and laboratory services. Learn about gemstones, diamond origin, gemology courses, scholarships, and more.
- Report Check
Report Check - Gemological Institute Of America | All About...
- Submit A Gem
The GIA Memo Creator makes it easier than ever to submit...
- LIST YOUR STORE
Search a city or postal code to find retailers who carry...
- My GIA
You can manage your team members and provide access to My...
- Learn How To Buy Engagement Rings
Smaller diamonds or other gemstones that flank the larger...
- Gem Encyclopedia
Each Gem page features Gemological Information, a Buyer’s...
- Birthstones
Birthstones are a fun, popular and colorful introduction to...
- Emerald
Gem experts differ on the degree of green that makes one...
- Report Check
Há 2 dias · GIA is the world’s foremost authority on diamonds, colored stones, and pearls, offering education, research, and grading. Learn about GIA’s history, achievements, and how to contact or support the institute.
The Gemological Institute of America (GIA) is a nonprofit institute based in Carlsbad, California. It is dedicated to research and education in the field of gemology and the jewelry arts. Founded in 1931, GIA's mission is to protect buyers and sellers of gemstones by setting and maintaining the standards used to evaluate gemstone quality.
- 21 Gemology & 9 Jewelry Arts Instructors
- Private
- 1931
Learn gemology and jewelry design at GIA's New York campus, located in the International Gem Tower near the Diamond District. Explore programs, certificates, lab classes, and student services at the state-of-the-art facility.
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. We apply the same passion, precision and expertise that we use in grading these world-famous diamonds to grading every diamond ...
GIA is the world's leading authority on diamond quality and grading, with 14 locations across 13 countries. Learn about GIA's mission, history, education, research and services on its official website.
