Historical Gemology Reading Lists
Annotated reading lists compiled to give you an opportunity to learn more about the history of gemology
Historical Reading List: Tourmaline and other Gem Minerals from Maine
Historical Reading List: Tourmaline and other Gem Minerals from Southern California
Historical Reading List: Peridot from Egypt
Historical Reading List: Ruby and Balas Ruby (Spinel)
Historical Reading List: Persian Turquoise
Enumerating Diamond Cuts
The Transformation of Diamond Cut Quality Grading: Where Are We Now?
Now Enrolling – New GIA London Campus Opening this Fall
The soon-to-open GIA campus in London is now enrolling students for classes beginning in August 2026.
Now Enrolling – New GIA London Campus Opening this Fall
The soon-to-open GIA campus in London is now enrolling students for classes beginning in August 2026.
GIA Acquires 30% Shareholding in Diamond Provenance Blockchain Platform Tracr
GIA Acquires 30% Shareholding in Diamond Provenance Blockchain Platform Tracr
De Beers Group and GIA today announced the signing of a definitive agreement for GIA to acquire a 30 per cent shareholding in Tracr.
John Cowley Joins GIA as Chief Financial Officer
John Cowley Joins GIA as Chief Financial Officer
GIA Opens New Campus in Taiwan
GIA Opens New Campus in Taiwan
Tom Moses to Leave GIA in May
Tom Moses to Leave GIA in May
The Gemological Institute of America (GIA) announced today that Tom Moses, executive vice president and chief laboratory and research officer, has decided to leave the institute after almost 50 years of service.
G&G In a Flash: Nature’s Diamond Sculptures
Explore nature’s diamond sculptures—264 rare rough diamonds examined by GIA scientists for their unique shapes and raw brilliance.
G&G in a Flash: Guide to Phenomenal Gems
Phenomenal gemstones dazzle with unique optical effects like iridescence and play-of-color. Discover how your favorite gem phenomena actually work.
