Increased competition, falling lab-grown diamond and moissanite prices, and the rising cost of gold took a toll on the moissanite maker.

Michelle Graff

The update came as Anglo took its third write-down on the diamond miner and marketer, which lost more than $500 million in 2025.

Michelle Graff

Sakamoto, who died in mid-January following a sudden illness, is remembered for his humility and his masterful, architectural designs.

Lauren McLemore

You deserve to know what you are selling–to protect your customers as well as your business and your reputation.

Although the market is robust, tariffs and precious metal prices are impacting the industry, Stuart Robertson and Brecken Branstrator said.

Lauren McLemore

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

Lauren McLemore

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

Michelle Graff

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.”

Lauren McLemore

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

Michelle Graff

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

Lauren McLemore

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

Lauren McLemore

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

Lauren McLemore

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

Lauren McLemore

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

Lauren McLemore

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

Michelle Graff

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

Lauren McLemore

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

Michelle Graff

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

Lauren McLemore

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

Michelle Graff

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

Lauren McLemore

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

Lauren McLemore

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

Lenore Fedow

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

Michelle Graff

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

Lauren McLemore

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

Lauren McLemore

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

Lenore Fedow