Daniel Brush: The Art of Line and Light Exhibition in Paris from June 8th...
Press Release L’ÉCOLE
From June through early October 2026, L’ÉCOLE in Paris is presenting more than 75 works by Daniel Brush — jewelry, sculpture, and...
No More Mining Licenses, No Exports of Rough Minerals: Malawi Presses Pause — Again?
In February of last year, Malawi announced what was described as a 21-day halt on gemstone export permits while it reviewed its valuation framework....
Street Art, “Codex On the Rocks”: How Urban Art is Getting People Through the...
A new exhibition at Paris’s Musée de Minéralogie offers an unusual — and surprisingly thoughtful — intersection of contemporary street art and historic mineral...
Why the African Diamond Council Says the Kimberley Process Definition Is Broken
In an extensive interview with Rough&Polished, the ADC chairman Dr. M'zée Fula Ngenge argued that the Kimberley Process’s definition of “conflict diamonds” no longer...
The 1869 Patent for “New Manufacture of Artificially Formed Mineral Carbon”
In our last newsletter, we began what appears to be an ongoing series of gem-related patents dating back more than a century, uncovered and...
Spare Parts and an Eye for Antique Diamonds: A Conversation with Michael Goldstein
Antique diamonds don’t need a trend cycle to justify their appeal. Still, it doesn’t hurt when a high-profile engagement ring brings them back into...
The 1901 Patent for the Diamond Saw: It was a Revolution
April 9, 1901 - No need to grind away the top of the Octahedron
William "Bill" D. Hoefer, Jr. GG (GIA), FGA is an educator,...
A Medieval Gold Ring found in Norway: An Important Ring—and a Stone You Might...
When this medieval gold ring first appeared in English-language news coverage earlier this month, it was already a really good story.
Three outlets — Archaeology...
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...
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...
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...
