Research & News
Diamond Research Gives Clues to the Formation of the Continents
Mineral inclusions trapped in diamonds reveal the continents’ construction – and helps GIA researchers date diamonds.
Alumni Opportunities to Grow Your Career
Take advantage of GIA Alumni Association benefits and programs to meet fellow alumni, get discounts on GIA education and connect with industry leaders.
St. Jude Kids Tour Inside Gems’ Magical World
Young patients at St. Jude Children’s Research Hospital recently explored the inner world of gems and minerals with a visiting team from GIA.
Drill Hole in Heated Pink Sapphire
An unexpected man-made feature is found in a pink sapphire from Myanmar.
De Beers Ups Supply, FTC Warns About ‘Eco’ Claims
De Beers responds to fluctuations, and the FTC issues warnings on laboratory-grown diamonds. Plus: 302.37 ct Graff Lesedi La Rona is revealed.
Second World Emerald Symposium
Important topics such as sustainability, blockchain, nanotechnology, and traceability were discussed at the second World Emerald Symposium held in Bogotá.