Gemological Institute of America
Established in 1931, 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.
GIA discovers (through GIA Research), imparts (through GIA Education), and applies (through the GIA laboratory and GIA Instruments) gemological knowledge to the public. With 1,200 employees, the Institute’s scientists, diamond graders, and educators are regarded as the world's foremost authorities in gemology.
Internationally, the Institute has distinguished itself as the preeminent source of gemological knowledge and professionalism. The GIA Diamond Grading Report and the GIA Diamond Dossier® are considered to be the world's premier credentials of diamond quality.
GIA is the creator of the revolutionary 4Cs of diamond value (carat, color, clarity, and cut). It is also the birthplace of the International Diamond Grading System™. Today, GIA’s D-Z color-grading scale, Flawless–I3 clarity-grading scale and Excellent-to-Poor cut-grading scale are recognized by virtually every professional jeweler and savvy diamond buyer in the world.
For over 80 years, GIA has been making a difference for jewelers and jewelry professionals with its expert training and world-class professional credentials in diamonds, colored stones, pearls, jewelry manufacturing arts, and design. Today, GIA continues to help jewelers earn customer trust.
GIA Graduate Gemologist
One of the most prestigious credentials in the jewelry industry, the GIA Graduate Gemologist demonstrates one’s comprehensive in-depth knowledge of diamonds and colored stones. A GIA Graduate Gemologist possess both the technical expertise and practical skills to evaluate gemstones by the 4Cs (color, clarity, cut, and carat weight), the International Diamond Grading System™, and the Colored Stone Grading System.
Jewelry Studio in Bozeman is proud to have two highly trained and experienced full-time GIA Graduate Gemologists on staff to assist our clients in purchasing fine quality diamonds and colored gemstones.
Learn more about the benefits of shopping with a GIA jeweler.