Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.

Jan 8, 2026 · This is where GIA certification becomes essential. A GIA certificate acts as an independent report card for a diamond, confirming exactly what you are paying for. When shopping …

Jan 1, 2000 · 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 …

Verify GIA reports by entering the report number and checking the information in the GIA database.

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 …

GIA’s diverse course offerings will help prepare you with the knowledge and skills needed by industry employers today. ... From gemology to jewelry manufacturing arts to bench jewelry, the courses we …

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 …

Tanzanite, Turquoise and Zircon are the three birthstones for December. These December birthstones are mined around the world and all have their own unique take on the color blue, allowing you to …

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 …

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 …