Who is the GIA?
The non-profit Gemological Institute of America (GIA) is one of the leading diamond grading laboratories in the jewelry industry. Since 1931, the GIA has educated more than 300,000 jewelers around the world. Its mission is to protect the consumer by encouraging the development of professional and ethical standards. It has developed the most recognized diamond grading, known as the Four C’s (Carat, Color, Clarity, and Cut).