Now Enrolling – New GIA London Campus Opening this Fall
The soon-to-open GIA campus in London is now enrolling students for classes beginning in August 2026.
GIA 收購鑽石溯源區塊鏈平台 Tracr 30% 股權
John Cowley Joins GIA as Chief Financial Officer
ジョン・カウリーがGIAの最高財務責任者に就任
GIA 台灣校區煥新啟程‧嶄新亮相
GIA、台湾に新キャンパスを開設
トム・モーゼス、5月にGIAを退職
Tom Moses 將於五月離開 GIA
The Gemological Institute of America (GIA) announced today that Tom Moses, executive vice president and chief laboratory and research officer, has decided to leave the institute after almost 50 years of service.
G&G In a Flash: Nature’s Diamond Sculptures
Explore nature’s diamond sculptures—264 rare rough diamonds examined by GIA scientists for their unique shapes and raw brilliance.
G&G in a Flash: Guide to Phenomenal Gems
Phenomenal gemstones dazzle with unique optical effects like iridescence and play-of-color. Discover how your favorite gem phenomena actually work.
GIAカールスバッド校卒業生がブチェラッティ財団ジュエリーデザイン賞を受賞
GIA（米国宝石学会）は、ジャンマリア・ブチェラッティ財団と共同で、2026年2月6日、第9回「ジャンマリア・ブチェラッティ財団ジュエリーデザイン優秀賞」をGIAカールスバッド校卒業生のCatherine “Cathy” Aulick氏に授与しました。
GIA 卡爾斯巴德畢業生榮獲 Buccellati 基金會珠寶設計獎
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.
My First Article
元GIA理事Dr. George Rossman逝去
前 GIA 理事 George Rossman 博士逝世
George Rossman, a member of the GIA Board of Governors from 1995 to 2007 and professor of mineralogy, emeritus, at the California Institute of Technology (Caltech), passed away on February 6 at age 81.
Former GIA Governor Dr. George Rossman Passes Away
Mannardite in Quartz
Fibrous mannardite crystals are observed in three colorless quartz samples.
.jpg "YMAL GIA Ed")
