Gemological Institute of America
The Gemological Institute of America (GIA) is a nonprofit organization founded in 1931, dedicated to the study and research of gemstones. It is widely recognized for its rigorous standards in gemology education and its role in establishing the 4Cs of diamonds: cut, color, clarity, and carat weight. GIA provides certification services that help consumers and professionals assess the quality and authenticity of gemstones.
GIA operates several campuses around the world, offering various programs in gemology and jewelry design. Its research and educational initiatives aim to promote ethical practices in the gemstone industry, ensuring that consumers can make informed decisions when purchasing jewelry.