Gemological Science has lost a Champion: George Rossman, PhD, 1944–2026
In Memoriam
George Rossman, PhD, 1944–2026, Professor of Mineralogy, Emeritus,California Institute of Technology , died on Friday, February 6, 2026. He was 81 years old.
On...
Gem-A’s Photographer of the Year Competition! And the Winners are ….
Each autumn, Gem-A receives submissions for this contest, not just from Gem-A students, alumni and members, but from colleagues and peers around the world....
Susan Jacques Awarded GIA’s Richard T. Liddicoat Award for Distinguished Achievements
GIA Honors Susan Jacques
CARLSBAD, Calif. – November 10, 2025 – During the GIA Board of Governors meeting in early November at the Institute’s headquarters...
The Fall 2025 edition of GIA’s quarterly journal, Gems & Gemology (G&G)
GIA’s Fall Gems & Gemology is now available for free online. In this season’s issue, very rare and fascinating diamond properties bring out the...
Canadian Gemmological Association Announces Canadian Jewellery Design Contest Winners!
The Canadian Gemmological Association (CGA) announced today the 2025 seventh Canadian Emerging Artist Design Competition winners. Jewellery students and new graduates across Canada were...
GIA’s “NextGem” Reminder — In Time for the Holidays: Short, On-Demand Courses for New...
With the holiday season around the corner, the Gemological Institute of America (GIA) has reminded us of GIA's NextGemâ„¢, a new way for retail...
Gem-A’s Journal of Gemmology Examines the DNA of Gem Coral
Gem-A has just sent out their latest Journal of Gemmology, and, as always, it is packed full of note-worthy gem news.
On the cover (seen...
Stones and Reveries: The Poetry and Minerals of Roger Caillois
L'ÉCOLE, School of Jewelry Arts, in partnership with France's Muséum national d'histoire naturelle (MNHN), presents a retrospective dedicated to the collection of the great...
GIA & AGS CONVERGE: The Gemology Related Track
This is just a quick note – and a list – of all the presentations we managed to catch while at CONVERGE, GIA's Symposium...
Latest Handbook of Gemmology: Fifth Edition / Three-Volumes (Print & Digital)
World Gem FoundationIf you're looking for the latest in gemmological textbooks, the World Gem Foundation has just released the fifth edition of its Handbook...
GIA Announces “Jewelry Forensics” – Techniques to Determine Manufacturing Style, Jewelry Quality, and Repair...
For appraisals and repair intake, your best tool is a pair of well-trained eyes. Jewelry Forensics helps strengthen your assessment skills and bolster your...
DEADLINE EXTENDED! CGA’s Seventh Emerging Artist Design Competition
Deadline is now July 15!
The Canadian Gemmological Association (CGA) announces the extension of the last date to submit your design entries.
Students can now submit...






















