Consumer Confidence and Jewellery Sales On the RiseRead Article
About GIA A Tradition Of Science and Education
Established in 1931, GIA is the world’s foremost authority on diamonds, coloured stones and pearls. A public benefit, non-profit institute, GIA is the leading source of knowledge, standards and education in gems and jewellery.
Welcome to GIA.PlayA
Students around the globe turn to GIA for the knowledge, skills and credentials that launch successful gem and jewellery careers.LEARN MORE
The world leader in gemmological research, GIA’s breakthrough discoveries deepen our understanding of gemstones and the world.LEARN MORE
Through research, education, and unbiased gem grading and analysis, GIA strives to protect the gem and jewellery buying public by setting global quality standards.LEARN MORE