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...
A sparkling blue marquise-cut gemstone.

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,...
A GIA-certified diamond with loose diamonds beside it.

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...
Two raw pink gemstones displayed side by side on a white background.

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...
A collection of colorful gemstones scattered on a white surface.

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...
Two stick figures with boxing gloves and nets fighting each other.

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,...
A large translucent crystal next to a quarter for scale.

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...
Certificate and booklet from GIT, signifying achievement.

“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...