Stephen M. Avery: Celebrating Half a Century in Gem Cutting
Approaching his 50th anniversary in the business, Stephen M. Avery (Lakewood, Colorado) reflected on his journey to becoming an award-winning lapidary artist, detailing his signature cuts and gem sets and offering advice to up-and-coming gemstone cutters.
Omphacite and Chromite: A "Bimineralic Inclusion" in Diamond
Two inclusions appear joined in a diamond host.
Tom Moses to Leave GIA in May
Summer Fashion Ideas: Colorful, Playful Jewelry
GIA Opens New Campus in Taiwan
John Cowley Joins GIA as Chief Financial Officer
Intriguing Sapphire from Montana, a New Source of Emerald in Central China, and Arkansas Turquoise
鑑定所推廣
AJDC Jewelry Collection
The GIA Museum showcases contemporary jewelry pieces donated by the American Jewelry Design Council.
Holiday Schedule & Closures
Jewelry Design Certificate
Inside the Geode Business
At age 79, Bob Halem loves reminiscing about the serendipity that brought him into the world of colored stones.
Jadeite Market Update
Jeff Mason provides us with a fascinating look into a sometimes-misunderstood gem and its often-unpredictable market.
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JCK Las Vegas 2017
GIA Launches Innovative Graduate Jeweler Program in 2024
GIA will launch its re-vamped Graduate Jeweler Diploma Program in 2024.
Former GIA Governor Dr. George Rossman Passes Away
GIA Carlsbad Graduate Receives Buccellati Foundation Jewelry Design Award
GIA (Gemological Institute of America), together with the Gianmaria Buccellati Foundation, presented the ninth annual Gianmaria Buccellati Foundation Award for Excellence in Jewelry Design on February 6, 2026, to GIA Carlsbad graduate Catherine “Cathy” Aulick.
