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.
Whether for diamonds, colored stones or pearls, GIA reports are the benchmark of grading and gem identification relied upon by consumers and professionals around the world.
News on 6: Diamond Colors Explained: Does the Color of My Diamond Affect Its Value?
Wondering how the color of your diamond might affect its value? Read our guide and learn everything you should know about diamond colors and value. The color of diamonds has a huge impact on their ...
Diamond Colors Explained: Does the Color of My Diamond Affect Its Value?
Bustle: Mastering The Four Cs Of Diamonds: Cut, Color, Clarity, & Carat Weight
When shopping for a diamond, whether for an engagement ring or a piece of fine jewelry, you’ll quickly encounter the term Four Cs—Cut, Color, Clarity, and Carat Weight. These four characteristics ...
Mastering The Four Cs Of Diamonds: Cut, Color, Clarity, & Carat Weight
Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.
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.
Elevate your career in gems and jewelry with a diploma from GIA. Learn how GIA’s curriculum prepares you for careers in gemology, jewelry design and more.
As a charismatic businessman originally from Los Angeles, CA, he positioned himself as a jewelry expert, but it was his lack of expertise that started him on the path that led to the founding of GIA—the Gemological Institute of America.