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...
Furlong Auction Sells DeBeers Memorabilia: Some very Surprising Historical Artefacts
Held live online on January 8, London's Furlong Auction House presented a wide-ranging Collectables & Memorabilia Sale, 262 lots total, of which many included...
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...
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...
Sotheby’s High Jewelry Geneva Auction Featuring Fancy Color Diamonds and No Heat Kashmir Sapphires...
The November Sotheby's High Jewelry Geneva auction put the spotlight squarely on a 10-carat Fancy Vivid Pink cushion-shape diamond known as the Glowing Rose,...
Holiday 24-Hour Diamond Services at GIA’s Gem Lab
This holiday season, GIA is again offering complimentary next-day Diamond Grading Report and GIA Diamond Dossier® services for submissions to the New York and...
Big Bicolor: GIA Studies Rare 37-Carat Pink-and-Colorless Rough Diamond
...and you thought you were under a lot of stress.
GABORONE, BOTSWANA – The GIA laboratory in Botswana recently examined an extraordinary 37.41-carat pink-and-colorless rough...
The Final Rio Tinto Beyond Rare™ Tender! Rare Pinks, a Red, a Dozen Fancy...
Rio Tinto has announced what will be its final Beyond Rareâ„¢ Tender–the third and last of its annual "Art Series."
This closing chapter, titled...
WFDB Launches New Instagram Campaign: Shoveling Coal into a Microwave Oven? CONVERGE has Something...
A week ago, the World Federation of Diamond Bourses (WFDB) posted a short promotional video on Instagram titled "Diamonds should be made by nature,...
GIA Examines Motswedi: World’s 2nd Largest Gem Quality Rough Diamond Crystal
The Gemological Institute of America (GIA) has announced that their research team in Gaborone, Botswana – joined by Tom Moses, GIA Executive Vice President...
“Lab-Grown” is Out, “Synthetic” is Back In: GIT Aligns with CIBJO – and France
Starting October 1, 2025, GIT–the Gem and Jewelry Institute of Thailand's gem testing laboratory–will be updating the way it words its reports to better...






















