Details the sapphire mining and trading situation at this newly discovered deposit, including descriptions of the area's geology and samples observed during the expedition.

An exhibit presented by the The Richard T. Liddicoat Gemological Library and Information Center, November 2011-August 2012, GIA, Carlsbad, California.

A listing of selected trade publications around the world

Some of the world’s most important competitions for budding and professional jewelry designers

A list of diamond and gemstone pricing guides to help you learn about gem and jewelry values.

Great books to learn more about the art of jewelry manufacturing.

CARLSBAD, Calif. – Feb. 23, 2021 – Recently, GIA (Gemological Institute of America) encountered a number of stones that were submitted for updated reports or verification services that did not match the GIA report submitted with them. The newly-submitted stones were either laboratory-grown diamonds or treated natural diamonds, falsely inscribed with GIA report numbers.

CARLSBAD, Calif. – Nov. 17, 2021 – The GIA Board of Governors held their first in-person meeting in two years, Nov. 5 – 8, in Carlsbad, California.

Forging a significant new collaboration

CARLSBAD, Calif. – Aug. 24, 2021 – Jade motifs often represent the ancient relationship between gems and humanity; they tell important stories and traditions. These stories come to life in a rare, spectacular set of books, The Bishop Collection: Investigations and Studies in Jade, recently acquired by GIA (Gemological Institute of America).