Inside Tucson 2014
Explore the 2014 Tucson Gem show with GIA.
Inside Tucson 2013
Eighteen interviews with trade experts, from one of the world’s largest gem shows.
Learn More About Alexandrite
Explore alexandrite history, research, quality factors, and more in the GIA Gem Encyclopedia.
Learn More About Tourmaline
Explore tourmaline history, research, quality factors, and more in the GIA Gem Encyclopedia.
Richard T. Liddicoat Gemological Library
Search GIA's library catalog of 57,000 books, 1,800 videos, 700 periodicals, and the renowned Cartier Rare Book Repository and Archive.
Visit the GIA Library