Brooke Goedert, January 22, 2021

This issue features a unique glimpse into the overwhelming majority of diamonds submitted to GIA: those on the D-to-Z color scale.

Phoebe Shang, January 15, 2021

Recently, staff in GIA’s New York laboratory were astounded by two natural pearl finds on opposite coasts – one in Baja California, Mexico and one in Long Island, New York. Each find was outstanding and worthy of exploration.

Brooke Goedert, October 22, 2020

An overview of the Summer 2020 Gems & Gemology content.

Amanda J. Luke, September 18, 2020

Learn about how GIA is addressing industry concerns over undisclosed laboratory-grown and simulated fancy melee being mixed in with natural fancy melee.

Amanda J. Luke, August 17, 2020

GIA Knowledge Sessions cover a variety of gemological topics and provide an opportunity for researchers, retailers, designers and other jewelry lovers to learn in a friendly, more casual format.

Amanda J. Luke, July 28, 2020

Gemological photojournalist Robert Weldon shares the stories behind some of his favorite photos.