Roskin Gem News Report

Coming This March — BrankoGems Conference Travels to DubaiThe 3rd International BrankoGems Conference is set for March 25–28, 2026, at the Novotel Deira Creekside. Organized by BrankoGems in collaboration...

The Canadian Gemmological Association (CGA) announced today the 2025 seventh Canadian Emerging Artist Design Competition winners. Jewellery students and new graduates across Canada were invited to submit their creations...

When Sammantha told us she had a new image for us, and that it was from a slice of asteriated diamond, we never envisioned this! Whoa! "This is a slice...

Behind the scenes, the American Gem Trade Association (AGTA) has been fighting a quiet, complex, and costly battle in Washington, D.C. As AGTA CEO John Ford and AGTA President...

Andrew "Andy" Lucas is the President of Guild Gemology Education. A former GIA field gemologist and education manager, Lucas has spent more than four decades documenting the colored gemstone...

The following is a review of Eric Emms’ Montana sapphire mining adventure. "Hunting Montana Sapphires"This past June, Eric Emms, well-respected British gemmologist, educator, and Hatton Garden gem trader, headed to...

L’ÉCOLE, School of Jewelry Arts, in partnership with France's Muséum national d’histoire naturelle (MNHN), presents a retrospective dedicated to the collection of the great twentieth-century French writer Roger Caillois...

A Personal Note Every now and then, a jeweler sends out a photo that stops you mid-scroll. Not because it’s big or flashy, but because you know what it took...

On a Personal Note:There was certainly a buzz in the room — well over 300 pieces to view, loose gems and gem-set jewelry stretched across three very long tables....

By Gary RoskinRoskin Gem News Report The American Gem Trade Association (AGTA) has just announced a major development in its tariff-reduction campaign: the United States and Thailand have reached a...

Behind the scenes, the American Gem Trade Association (AGTA) has been fighting a quiet, complex, and costly battle in Washington, D.C. As AGTA CEO John Ford and AGTA President...

Andrew "Andy" Lucas is the President of Guild Gemology Education. A former GIA field gemologist and education manager, Lucas has spent more than four decades documenting the colored gemstone...

The following is a review of Eric Emms’ Montana sapphire mining adventure. "Hunting Montana Sapphires"This past June, Eric Emms, well-respected British gemmologist, educator, and Hatton Garden gem trader, headed to...

"I have a new image for you which I hope you’ll enjoy," says Sammantha Maclachlan.  Yes, it's another stunner! This time, we have a series of platelets in this Tanzanian sunstone,...

Violence has again erupted around Gemfields’ Montepuez Ruby Mining (MRM) operation in northern Mozambique, underscoring a long-running conflict between the company, the state, and local residents. In its latest...

NEW YORK — The Edit, an exhibition of contemporary Italian jewelry design, will be held just following the JA Show, in New York City on October 29 & 30,...

Gem-A has just sent out their latest Journal of Gemmology, and, as always, it is packed full of note-worthy gem news. On the cover (seen here) is this magnificent double-strand...

...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 diamond, reportedly from the Karowe...

Rio Tinto has announced what will be its final Beyond Rare™ Tender—the third and last of its annual “Art Series.” This closing chapter, titled Into the Light, brings together...

A week ago, the World Federation of Diamond Bourses (WFDB) posted a short promotional video on Instagram titled “Diamonds should be made by nature, not by Mike.” The video introduces...

The Gemological Institute of America (GIA) has announced that their research team in Gaborone, Botswana — joined by Tom Moses, GIA Executive Vice President and Chief Research and Laboratory...

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 line up with CIBJO, the...

Now Offers Just Two Tiers — “Premium” or “Standard.” We’ve been telling you this was on the way — and now it’s official. Starting October 1, GIA will roll out...

As you are probably fully aware by now, the United States has moved to impose steep tariffs on Indian goods, escalating trade tensions and raising concerns across multiple sectors,...

The headline-grabbing engagement ring—a large oval brilliant cut diamond,has been estimated by numerous "jewelry experts" to weigh between 20 and 50 caratswith a guesstimated value of up to $5 million!...

Book #4 (and final installment) in the Diamond District Murder Mystery Series A Shocking Murder. A Glittering Lie. Meet the New Mystery That Cuts to the Core of the Jewelry...

Murfreesboro, Arkansas is the home of Crater of Diamonds State Park. Here you can pay a nominal fee, hike out into the newly plowed field, and start digging for...

NEW YORK — For decades, Marcus & Co. has been one of those elusive names in American jewelry history: admired by connoisseurs, but shrouded in mystery. That’s changing, thanks...

In our last report on Heritage Auctions’ September 29 Fall Fine Jewelry Signature® Sale, we focused on a few beautiful pieces of colored gemstone jewels; four loose gems, including...

Rago Arts’ September 10, 2025 auction in New Jersey offered more than just beautiful jewels—it offered a window into jewelry history. Art Nouveau, Art Deco, and antique pieces shared...

A cache of ancient gemstones believed to have once rested above the cremated remains of the Buddha has been returned to India! The move follows international controversy over a planned...

Heritage Auctions’ September 29 Fall Fine Jewelry Signature® Sale is still a few weeks away, but four loose gems and a mounted diamond are already calling us to stop...

As you know, when the Gemological Institute of America (GIA) weighs in on a diamond’s quality, the industry pays attention—and rightfully so. GIA isn’t just a gemology school and...

This top feature is a review of Christie's New York Magnificent Jewels Auction, on June 17th. Of course, there were diamonds—some of them truly remarkable—and we’ll showcase those in...

The first major exhibition in almost 30 years dedicated to Cartier jewels and watches opened on April 12 and is scheduled until November 16, 2025, in the Sainsbury Gallery...

Mourning jewelry was never just decorative—it served a purpose, marking the passing of a loved one with symbolism, sentiment, and often remarkable craftsmanship. Many were custom-made pieces, and the...

Christie’s Hong Kong held its highly anticipated Magnificent Jewels spring live auction on May 27 at The Henderson. The sale featured over 100 lots of exceptional and rare jewellery,...

The headline-grabbing engagement ring—a large oval brilliant cut diamond,has been estimated by numerous "jewelry experts" to weigh between 20 and 50 caratswith a guesstimated value of up to $5 million!...

Mark your calendars! On August 12, 2025, you’re invited to a free and very special conversation with one of gemology’s most respected educators and leaders. Join Dr. Cigdem Lule as she...

Diamond & Colored Gemstone-set Jewelry Marks Milestones When commemorating life's big moments, we often turn to jewelry as a lasting symbol to honor and forever remember the occasion. And the...

The 2025 Cannes Film Festival gave us plenty to talk about—on screen and on the red carpet. And when it came to jewelry, there was no shortage of standout...

The New York Liberty are a professional women's basketball team based in Brooklyn, New York. Founded in 1997, they are one of the eight original franchises of the Women's...

The sea is this year’s leading inspiration for jewellers The endless seas are the great creative frontier in jewellery today, inspiring numerous high jewellery collections unveiled and presented this year Something’s...

“Can you make a synthetic diamond from tequila?” In this pun-worthy moment, we take our best shot—literally. In an effort to stand out in a crowd of attention-getters at the...

The Met Gala has never been a stage for subtlety, and this year’s red carpet was no exception. The women arrived wrapped in couture fantasies—gowns that defied gravity, trains...

Once known for playing it safe in black tie, the men of the Met Gala are now in full peacock mode—and this year, they strutted. From Coleman Domingo’s shawl...

One gentleman's white gold and diamond ring, set with four (4) near colorless round brilliant cut diamonds, total weight approximately 1.00 carats, and ten (10) irradiated blue square princess...