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....
In Memoriam: George Peter “Pete” Yantzer
George Peter “Pete” YantzerNovember 10, 1948 - January 10, 2026
George Peter “Pete” Yantzer, a respected gemologist and influential figure in modern diamond grading, passed...
Your Tucson Check List
Friday, January 30th
Opening Day at the Ethical Gem Fair
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BONUS WORKSHOP - NAJA 65th ACE©ItExpert Witness Workshop!
▻On the Stand: Expert Witness Techniques for Jewelry Appraisers●...
Diamond Club West Coast Looking Ahead to Continued Growth: A Diamond Conversation with Kalpesh Jhaveri,...
The Diamond Club West Coast Closes Out 2025 and Looks Ahead to Continued Growth
More than 600 guests gathered to celebrate industry excellence, honor standout...
Look Who Showed Up in Guy’s Diamond?
We LOVE this!
We received an email from Guy Borenstein, F.G.A E.G.G , Director of Gemological Research and Lab Services for Stuller Inc. in Lafayette,...
Pezzottaite: From the Ground to the Vault — A Rare Beryl Revisited
Discovered in Madagascar in the late 1990s, pezzottaite was initially mistaken for pink tourmaline or morganite (pink beryl) before laboratory testing revealed it to...
Artisanal Mining: Illegal or Not? – A View from the Diamond Mining Sector
Over the years, we’ve published numerous feature stories focused on artisanal gem mining and the people behind it. We support responsible artisanal miners who...
FACETS Sri Lanka v. Gems Sri Lanka: Back to Back Gem Trade Shows
Two of Sri Lanka’s key gem trade events were once again running back-to-back in Colombo this week, giving international buyers and dealers a concentrated...
The 2025 Roskin Gem News Report’s Top 25
As the year comes to a close, the Roskin Gem News Report is proud to present the Top 25 most-read stories of 2025.
According to...
2026 AGA Tucson Gemological Conference and Gala / February 4, 2026: Conference Schedule, etc…
The 2026 Accredited Gemologists Association's Tucson Gemological Conference and Awards Gala will take place at the Tucson Marriott University Park on Wednesday, February 4,...
Scoping It Out: Photomicrography from Melissa Scarani
A beautiful shot of the octahedral face of a rough diamond crystal, showing the classic trigon growth markings. Examining and cataloging the surface condition...
Photomicrography: Images from Within, by Sammantha Maclachlan
"I have another image for you," says Sammantha Maclachlan.
We love this ...
"Today was a special day… Gemmologists know that there are some...
