Gems & Gemology

G&G Covers

Since 1930 GIA’s quarterly journal, Gems & Gemology publishes the latest peer-reviewed research on diamonds and colored stones – where they are found, their special characteristics, simulants and synthetics, treatments and identification techniques.

Each issue includes feature articles, in-depth research about gem inclusions, book reviews and the latest news from the GIA Laboratory and around the world.

GIA pursues a wide range of scientific investigations to gather and analyze data on gemstones, identifying practical solutions to gemological challenges and communicating their findings.

Gems & Gemology is a free service and is only available in English.

Current and past issues of Gems & Gemology are available for purchase through the GIA store.