Richard T. Liddicoat

Gemological Library

With 65,000 volumes, 230,000 images, 2200 videos, and 1200 periodicals, the Richard T. Liddicoat Gemological Library & Information Center and Cartier Rare Book Repository & Archive is the largest, most complete library of its kind.

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What's New at the Library

What's New at the Library

New Lecture
Library Lecture

An artisanal diamond miners handbook; Uplifting artisanal diamond mining communities through education

Join Roy Bassoo, Postdoctoral Research Associate, for this 20-minute lecture on Wednesday, March 22, at 12:15 pm in the Library’s East Reading Room.

New Book
New Book

Jade: a gemologist’s guide

Learn about jade identification, its cultural significance, its sources, and more from this comprehensive work.

Digital Materials
Library Services
Staff Picks

About The Library

The GIA Library offers a variety of gemological and jewelry-related materials and services to meet the needs of students, staff, alumni, scholars, industry professionals, as well as the general public.  

All patrons are welcome to visit the library for on-campus research, Monday - Friday, 7:30am - 5:00pm. Please contact the library at least 24 hours in advance to arrange access to campus. Staff and current students may borrow print materials for a week, and can renew them three times. For those who cannot visit the Carlsbad library, we have digital materials available.

Some services offered by the library are limited to GIA Headquarters employees.

5345 Armada Drive
Carlsbad, CA 92008
Hours of Operation
Monday - Friday
7:30 a.m. – 5 p.m. PT
Phone Number
+1 800 421 7250 ext 4046
+1 760 603 4046


The library provides a wide variety of gemstone-and-jewelry-related resources for students, staff, researchers, alumni, members of the industry, and the general public. While we strive to make our materials as accessible as possible, not all materials are available to all patrons, and not all of our materials may be borrowed. 

* available to GIA staff only
** available to GIA students, staff, and alumni worldwide