Diamonds & Gems

The new category asks entrants for “exceptional” interpretations of the supplier’s 2026 color of the year, which is “Signature Red.”
Latest in Diamonds & Gems

Any gemstones on Stuller.com that were sourced by an AGTA vendor member will now bear the association’s logo.

The new addition will feature finished jewelry created using “consciously sourced” gemstones.

The initial charts are for blue, teal, and green material, each grouped into three charts categorized as good, fine, and extra fine.

With refreshed branding, a new website, updated courses, and a pathway for growth, DCA is dedicated to supporting retail staff development.

Buyers are expected to gravitate toward gemstones that have a little something special, just like last year.


Endiama and Sodiam will contribute money to the marketing of natural diamonds as new members of the Natural Diamond Council.

It explores the history of the iconic tagline and the company’s strategy to redefine the role of diamonds in society.

Launched in 2023, the program will help the passing of knowledge between generations and alleviate the shortage of bench jewelers.

Petra Diamonds unearthed the 41.82-carat, Type IIb blue diamond at the Cullinan Mine.

The supplier’s online program allows customers to search and buy calibrated natural and lab-grown diamond melee, including in fancy shapes.

The annual report highlights how it supported communities in areas where natural diamonds are mined, crafted, and sold.

The governing board welcomed two new members, Claire Scragg and Susan Eisen.

Shekhar Shah of Real Gems Inc. will serve as president of the Indian Diamond & Colorstone Association in 2026.

It marks the third time the country has headed the Kimberley Process. Ghana will serve as vice chair.

The new curation at the Natural History Museum of Los Angeles County showcases rare gem and mineral specimens in their uncut, natural state.

The former BHP Billiton leader and Gemfields chairman is remembered for his influential leadership throughout his 50-year mining career.

The lab-grown diamond grower now offers custom engagement and fashion jewelry through its Kira Custom Lab Jewelry service.

Two awardees will receive free tuition for an educational course at the Swiss lab, with flights and lodging included.

Starting Jan. 1, customers can request the service for opal, peridot, and demantoid garnet.

“Longtime favorite” presenters, as well as first-time speakers, will lead talks and workshops at the annual event in Tucson next year.

Vivek Gadodia and Juan Kemp, who’ve been serving as interim co-CEOs since February, will continue to lead the diamond mining company.

Laurs is the editor-in-chief of Gem-A’s The Journal of Gemmology and an expert on the formation of colored gemstone deposits.

It joins the company’s other manufacturing facilities globally, including in India, Botswana, and Namibia.

Called “Origin by De Beers Group,” the loose, polished diamonds are being sold in a total of 30 stores in the United States and Canada.

She previously taught at Gem-A and is the founder of The Gem Academy.

Mark Wall, president and CEO of Canadian mining company Mountain Province Diamonds, will vacate his position next month.

Tiffany & Co. veteran Jeffrey Bennett has stepped into the role.
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![A peridot [left] and sapphires from Tanzania from Anza Gems, a wholesaler that partners with artisanal mining communities in East Africa Anza gems](https://uploads.nationaljeweler.com/uploads/5b4d5140c30d9a86b1733551ddbd13c9.jpg)










