Roskin Gem News Report

Sotheby’s June New York High Jewelry auction presents a standout selection of exceptional gemstones and important pieces from renowned collections. Highlights include a rare 9.60-carat unheated Burmese ruby from the...

With total sales exceeding 60 million Swiss Francs (over $70 million), Christie’s Magnificent Jewels auction at the Four Seasons Hotel des Bergues in Geneva did not disappoint. While the...

Important Watches I & II Important Watches I & IIFollowing a triumphant auction last November—realizing over CHF 20 million and setting several world records—Sotheby’s returned to Geneva with two exceptional...

GIA has updated how it describes nacre quality stated on all GIA pearl classification reports, replacing the previous broad terms “Acceptable” and “Unacceptable” with GIA's established traditional scale: Excellent,...

Feeling the need to break away from the pack (or at least from its closest rival, Christie's) Sotheby's has changed the name of it's Magnificent flagship jewelry sale in...

Continuing Efforts in Washington D.C. to Eliminate Colored Gemstone Tariffs AGTA Press Release AGTA CEO John W. Ford, Sr., and AGTA Board President and President of Bridges Tsavorite Bruce Bridges continue...

“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...

"I am pleased and proud to announce that this has been another strong auction for Grizzly," says Grizzly's chairman, Abdoulaye Ndiaye. "Our medium and high grade stones remain in...

Gemstone mining is anything but an easy task. But for one small group of hardworking insects, finding and moving gem material is simply a by-product of the work done...

On Monday, March 24, 2025, CIBJO, The World Jewellery Confederation, sent out a joint press release alerting members of the trade regarding an uptick in irradiated corundum (sapphire and...

The market for fine Type A jadeite jade, free of any and all treatments and enhancements, is undeniably centered in East Asia. There, buyers eagerly scoop up rich green...

The Australian Opal Awards team is thrilled to announce the official launch of its website: www.australianopalawards.com.au! Entries for the 2025 competition are now open, inviting designers and artisans to showcase...

Award winning gem artist Naomi Sarna is no stranger to the headlines. Just a few years ago, in 2020, she made news after being awarded a Guinness World Record...

Minister of Finance of Zambia, Dr Situmbeko Musokotwane, has suspended the 15% export duty on precious gemstones and metals by issuing Statutory Instrument No. 4 of 2025 on 18...

In a bold move by the American Gem Trade Association—one that we anticipated at last year's Tucson Elevated Seminar Series featuring Martin Rapaport—the AGTA is taking the lead in...

In Malawi, artisanal miners frequently clash with the government over restrictions on access to mining areas designated for large-scale exploration. This has led to conflicts over land rights, with...

Following up on a feature story in Australia's Mining Monthly magazine, Jeweller Magazine reports that "Debate over the future of opal mining in New South Wales has continued in...

Sotheby’s June New York High Jewelry auction presents a standout selection of exceptional gemstones and important pieces from renowned collections. Highlights include a rare 9.60-carat unheated Burmese ruby from the...

Feeling the need to break away from the pack (or at least from its closest rival, Christie's) Sotheby's has changed the name of it's Magnificent flagship jewelry sale in...

“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...

Sarah Reap, park interpreter with Arkansas State Parks, including the Crater of Diamonds in Murfreesboro, tells us that David DeCook, from Stewartville, MN, and a regular visitor to Arkansas’ Crater...

By now, you’ve probably seen press releases from AGA (Accredited Gemologists Association) and GCAL by Sarine, announcing the new Hybrid Master Set—a diamond color comparison tray that includes both...

The 23.24-carat “Golconda Blue” fancy vivid blue diamond has been unexpectedly pulled from the May 14 Christie’s Magnificent Jewels sale, says Anthony DeMarco, contributing editor for Forbes.com. Its selling...

The Winston Fancy Color Diamond Collection was unveiled at the Smithsonian Institution's National Museum of Natural History on Tuesday, April 1st, with Smithsonian dignitaries and Mr. Ronald Winston in...

Rio Tinto has unearthed one of the largest gem-quality yellow diamonds ever discovered in Canada, from its Diavik Diamond Mine. The 158.20 carat rough diamond was discovered at Diavik located...

Sotheby’s hosted an exhibition in Abu Dhabi (9–10 April 2025) featuring a remarkable selection of colored diamonds, including one of the most significant blue diamonds to appear in recent...

In response to logistics challenges related to recently announced tariffs affecting global shipments of gemstones, GIA (Gemological Institute of America) will temporarily expand services offered by the GIA Laboratory...

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,...

With total sales exceeding 60 million Swiss Francs (over $70 million), Christie’s Magnificent Jewels auction at the Four Seasons Hotel des Bergues in Geneva did not disappoint. While the...

The Phillips Geneva Jewels auction, LIVE on May 12, 2025, has the potential to be an outstanding sale, featuring 144 lots of exciting jewels! We've selected a few standouts, including:...

On Friday April 15th, the Sotheby's Hong Kong Fine Jewelry Auction hammered out several beautiful and notable pieces to spotlight in the Roskin Gem News. But two headliners did not...

The March 27 Hong Kong Jewels auction at Phillips Auction House is taking place as we are finishing up the details of our report! There are some exceptional pieces...

Auctions offer a fantastic opportunity to study and appreciate jewelry from the past, whether it’s a specific era from the late 1800s or early 1900s, a remarkable center stone,...

The Magnificent Jewels Sale this past November in Geneva featured quite a few fancy color diamonds, with four that really caught our attention. - gr - Gary Roskin -...

We don’t often revisit past gem news, but the "Magnificent Jewels" auction of December 11, 2024, showcased exceptional colored diamonds, gemstones, and vintage pieces that deserve your attention. Let's...

Apollo Art Auctions might not be on your list, but it is on ours. Apollo Art Auctions is a central London house that offers Ancient and Medieval works. We...

Magnificent Jewels: Christie's New York - The Magnificent Blue Diamond, and Harry Winston' Stunning Spinels! "Magnificent Jewels at Christie’s New York will close a spectacular year of jewellery auctions...

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...

Lauralee shares another glamorous week of celebrities wearing fabulous jewels, so let's give you some of the highlights! We'll share who it is, what and who are they wearing,...

The British crown jewels are worth even more money than you might imagine. Here's who inherited these treasures, along with Queen Elizabeth II's private jewelry collection. By Lori IoannouMar. 27, 2025Readers...

Lauralee from WhoWoreWhatJewels.com has really pushed herself to give us THREE Oscar features highlighting the jewels worn by the women, the men, and what was seen at the Vanity...

Lauralee from WhoWoreWhatJewels.com was very impressed by the diamonds coming down the Red Carpet at this year's 31st annual Screen Actors Guild Awards. And so were we! Zoe Saldana wore...