Roskin Gem News Report

Angola Flooding Halts Copper Route—Copper-Related Gem Materials in Play Severe flooding in western Angola has shut down rail traffic along the Lobito Corridor, a critical route moving copper and cobalt...

The Jewels, The Tributes, The Legacy April 21, 2026, marked what would have been the 100th birthday of Queen Elizabeth II, one of the most recognized figures of the modern...

CARLSBAD, Calif. – March 31, 2026 – The new GIA School of Gemology and Jewelry Arts campus in Taiwan officially opened on March 29, 2026. The new centrally located school facility...

Zimbabwe’s Manica Diamonds Football Club has changed hands — and with it, perhaps, its fortunes. According to a recent report in The Herald, the struggling Premier Soccer League team, sitting...

The Los Angeles Dodgers—a Major League Baseball team based in Los Angeles, California—celebrate their 2025 World Series victory with a ring by Jostens featuring natural diamonds, blue sapphires, and...

March 26–28, 2026Michal Kosior – Amber Experts Laboratory On the ground in Gdańsk: a first-hand report fromMichal Kosior - Amber Experts Laboratory For more than three decades, Amberif has stood as the...

A new gemological laboratory is entering the market—but this time, the headline isn’t just who is behind it.It’s how they’re choosing to present it. Swiss International Gemlab (SIG), founded by...

You may be thinking: Didn’t we already cover tariffs?Yes, we did. But... So what’s changed? Nothing dramatically overnight—but the Huffington Post and AGTA’s latest updates include several developments worthy of your...

A first-hand look at the Tucson Gem & Mineral Shows—and the stones that might spark your next jewelry design or inventory idea. Why Tucson? Tucson is, by far, the largest...

Here's another amazing image from Sammantha ... But before you read the description, just look at this picture. What do you think it is? Or... what kind of lighting did she...

AGTA's DYNAMIC Seminar with Dr. James Shigley, Dr. Aaron Palke, and Wim VertriestGIA's Team Discusses What it Takes to offer a Country of Origin Report Three blue sapphires sit on...

After reading through 170 pages of the Supreme Court’s opinion, titled: LEARNING RESOURCES, INC., v. TRUMP, PRESIDENT OF THE UNITED STATES, here is the clear takeaway: the Court says...

It was the second day of the AGTA’s Tucson GemFair — and the opening day of the DYNAMIC Seminar Series. As tradition would have it, Stuart Robertson, president of Gemworld...

The stunning photomicrographs (images taken using magnification to see details in or on gem materials) are simply amazing. And here is another one for you, a trapiche-like amethyst with syngenetic...

The American Gem Trade Association (AGTA) and Stuller have announced a partnership that brings responsibly sourced colored gemstones from AGTA member vendors directly into Stuller’s global supply chain. According to...

For generations, gemologists and jewelers have been taught a simple rule: chromium makes red gems beautiful. It is the element behind the glow of fine ruby, the vivid color...

Over the past few years, the Roskin Gem News Report has followed Pakistan’s slow but deliberate push to modernize its gemstone sector. The newest government reports (here, here, and...

Zimbabwe’s Manica Diamonds Football Club has changed hands — and with it, perhaps, its fortunes. According to a recent report in The Herald, the struggling Premier Soccer League team, sitting...

Lab-Grown Diamonds Move Beyond Jewelry—Into Technology Bench jewelers have known this for years: diamond handles heat. It’s one of the few gemstones you can often leave in place during a...

World Diamond Day made its debut on April 8, 2026, with a simple but ambitious idea: what happens if the diamond industry—long shaped by centralized messaging from De Beers,...

Veteran jewelry industry journalist Rob Bates has (mostly) stepped away from his long-standing role at JCK Magazine to launch an independent publication, The Jewelry Wire, a Substack-based newsletter delivering...

Scott Sucher has been recreating historic diamonds for decades. Long before grown diamond was available in meaningful sizes, Scott Sucher was cutting precise replicas of stones like the Koh-i-Noor, the...

Here we have a 0.25 ct. round brilliant cut diamond with an extraordinary garnet crystal. Melissa not only captures the crystal beautifully, she manages to get some of the...

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 reflects the realities facing African...

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 global diamond-trade artefacts, as well...

George Peter “Pete” YantzerNovember 10, 1948 - January 10, 2026 George Peter “Pete” Yantzer, a respected gemologist and influential figure in modern diamond grading, passed away this past week following...

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 members, and mark an exciting...

Heritage presents the May 4th Spring Signature Fine Jewelry Auction, with all the expected heavyweights—colored diamonds, Kashmir sapphires, Burmese rubies, Cartier, Van Cleef & Arpels, and Tiffany & Co....

April 23, 2026Diamond, Ruby, Emerald and Sapphire .... Sotheby’s Hong Kong takes the stage this week, Thursday, April 23, with a High Jewelry auction built around the jewelry houses and...

Apollo Art Auctions, located in London, focuses primarily on ancient works—Egyptian, Greek, Roman, Viking, and medieval artifacts. What draws our attention to these auctions are, of course, the gem materials—whether...

New Antique Jewelry Course Teaches How to Read the Jewel For anyone who has ever handled a piece of antique jewelry and wondered whether they were seeing the full story—or...

The Jewels, The Tributes, The Legacy April 21, 2026, marked what would have been the 100th birthday of Queen Elizabeth II, one of the most recognized figures of the modern...

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 public eye. Taylor Swift’s...

April 9, 1901 - No need to grind away the top of the Octahedron William "Bill" D. Hoefer, Jr. GG (GIA), FGA is an educator, and an expert in appraisal...

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 Magazine, Medievalists.net, and Popular Science...

On December 9, at Sotheby’s new New York home in the Breuer Building, an impressive lineup of diamonds, important colored stones, and signature house creations went on sale —...

Over One Month Later... What the Gem Industry Needs to Know It has now been over a month since four men, disguised as construction workers, bright orange vests and all,...

The Jewels, The Tributes, The Legacy April 21, 2026, marked what would have been the 100th birthday of Queen Elizabeth II, one of the most recognized figures of the modern...

The Los Angeles Dodgers—a Major League Baseball team based in Los Angeles, California—celebrate their 2025 World Series victory with a ring by Jostens featuring natural diamonds, blue sapphires, and...

A new gemological laboratory is entering the market—but this time, the headline isn’t just who is behind it.It’s how they’re choosing to present it. Swiss International Gemlab (SIG), founded by...

When Hollywood’s awards season rolls out, most of the attention goes to the gowns. But if you’re in the jewelry business, that’s not where you’re looking. You’re looking at...

The BAFTA Awards — presented by the British Academy of Film and Television Arts — returned with what has become a predictable constant: diamonds. And there were LOTS of...

In our world, when someone says gold, silver, or platinum, we instinctively ask:What karat? What fineness? What weight? In another world — the Olympic world — when they say gold,...

Who Wore What JewelsJanuary 14, 2026 by Lauralee Best Jewelry Moments from the Men at the 2026 Golden Globes At the 2026 Golden Globes, the most interesting jewelry moments weren’t limited to the...

Who Wore What JewelsJanuary 14, 2026 by Lauralee Best Jewelry Moments from the Women at the 2026 Golden Globes The 2026 Golden Globes Red Carpet delivered no shortage of sparkle, but the most...

We’re big fans of Lauralee’s red carpet gem parade at WhoWoreWhatJewels.com, so this week we dipped into her coverage of the 2026 Critics Choice Awards to see what the...

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 our online magazine analytics, with...