Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.
GIA Publications is a major publisher of sacred choral music, hymnals, sacred music recordings, music education materials, and other fine products.
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.
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.
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.
“GIA diamond” is a term you’ll find when engagement ring shopping – short for a diamond graded by GIA, the creator of the 4Cs and the independent, diamond authority. Learn more about ”GIA diamonds” and why savvy shoppers rely on GIA.
What is a GIA Diamond? | Trusted Diamond Grading | GIA 4Cs
The course and guild evolved into GIA, with the institute publishing books and setting up its first lab in 1931. Today, GIA is a leader in gem education, research, grading and instrumentation and operates globally, with facilities in eleven countries and across four continents.
The Harvard Crimson: Artist Profile: Isabella Madrigal ‘24 on the Cahuilla Community and Multidisciplinary Creativity