Diamonds & Gems

Moses, who started at GIA’s Santa Monica lab in 1976, will leave the Gemological Institute of America in May.
Latest in Diamonds & Gems
![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/cdd3962e9427ff45f69b31e06baf830d.jpg)
Although the market is robust, tariffs and precious metal prices are impacting the industry, Stuart Robertson and Brecken Branstrator said.

The AGTA Spectrum and Cutting Edge “Buyer’s Choice” award winners were announced at the Spectrum Awards Gala last week.

Namibia has formally signed the Luanda Accord, while two key industry organizations pledged to join the Natural Diamond Council.

Every jeweler faces the same challenge: helping customers protect what they love. Here’s the solution designed for today’s jewelry business.

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


It would be the third impairment charge in three years on De Beers Group, which continues to grapple with a “challenging” diamond market.

The company also announced a new partnership with GemGuide and the pending launch of an education-focused membership program.

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

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.

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.

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.

Yantzer is remembered for the profound influence he had on diamond cut grading as well as his contagious smile and quick wit.

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.
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