Learning Resources

Richard T. Liddicoat Gemological Library and Information Centre

Located at GIA's World Headquarters and Robert Mouawad Campus in Carlsbad, California, the Richard T. Liddicoat Gemological Library and Information Centre occupies nearly 8,000 square feet of space, housing a growing collection of more than 38,000 books, 6,000 reprints, 300 international journals, 32,000 photographic images, 1,000 videos, and the Cartier Rare Book Repository and Archives.

Whether by phone, e-mail, or in person, the Library staff answers the questions of scientists, jewellers, gemmologists, and students from every corner of the globe. Providing "ready reference" on topics, including treatments, synthetics, business management, jewellery history, and more, the Richard T. Liddicoat Library and Information Centre and its staff are recognized as the first point of reference - and the final word - for gem and jewellery professionals around the world. Open 7am to 5pm daily (Pacific), Monday through Friday, or contact them via e-mail.

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