Moti Ferder stepped down Wednesday and will not receive any severance pay, parent company Compass Diversified said.
GSI Expands its Synthetic Diamond Testing
The service will now be available for finished jewelry at labs in New York, Hong Kong, India and Dubai.
New York--Gemological Science International (GSI) is expanding its synthetic diamond testing services at several of its labs worldwide.
Synthetic testing for finished diamond jewelry is now available at GSI labs in New York, Hong Kong, India and Dubai. Clients do not have to have their stones graded in order to test for synthetics.
Synthetic testing of loose diamonds will continue to be available at all of GSI’s labs around the globe.
Debbie Azar, co-founder of GSI, commented, “At GSI, we put our customers’ needs first and foremost. We are therefore taking every step necessary to provide the most state-of-the-art services and offerings that allow all levels of our trade to guarantee the validity of their products.”
GSI was established in the 21st century, and delivers gemstone identification and grading, gemological research and education programs in diamonds, gemstones and jewelry.
The organization is headquartered in New York, with nine labs around the world. For more information, visit GemScience.net.
The Latest

Lichtenberg partnered with luxury platform Mytheresa on two designs honoring the connection between mothers and daughters.

The miner announced plans to recommence open-pit mining at Kagem.

Gain access to the most exclusive and coveted antique pieces from trusted dealers during Las Vegas Jewelry Week.

Michel Desalles allegedly murdered Omid Gholian inside World of Gold N Diamond using zip ties and then fled the country.


Associate Editor Lauren McLemore shares her favorite looks from a night of style inspired by Black dandyism.

Sponsored by Instappraise

Supplier Spotlight Sponsored by GIA

CEO Beth Gerstein discussed the company’s bridal bestsellers, the potential impact of tariffs, and the rising price of gold.

The brand’s first independent location outside of Australia has opened in Beverly Hills, California.

Cathy Marsh will lead the jewelry company’s efforts in the upper Midwest and western United States.

The company has multiple strategies for dealing with tariffs, though its CEO said moving manufacturing to the U.S. is not one of them.

Connecting with your customers throughout the year is key to a successful holiday marketing push.

Its commercial-quality emerald sale held last month totaled more than $16 million, up from about $11 million in September 2024.

National Jeweler Editor-in-Chief Michelle Graff joined Michael Burpoe to talk tariffs, consumer confidence, and the sky-high price of gold.

Designer Lauren Harwell Godfrey made the piece as an homage to the 2025 gala’s theme, “Superfine: Tailoring Black Style.”

Expanded this year to include suppliers, JA’s 2025 list honors 40 up-and-coming professionals in the jewelry industry.

Located in Fort Smith, it’s the Mid-South jeweler’s first store in Northwest Arkansas.

The episode about the family-owned jeweler will premiere May 17.

The Houston-based jeweler’s new 11,000-square-foot showroom will include a Rolex boutique.

The turquoise and diamond tiara hasn’t been on the market since it was purchased by Lord Astor in 1930.

“The Duke Diamond” is the largest diamond registered at the Arkansas park so far this year.

The childhood craft of making dried pasta necklaces for Mother’s Day is all grown up as the 14-karat gold “Forever Macaroni” necklace.

Set with May’s birthstone and featuring an earthworm, this ring is a perfect celebration of spring.

“Bridal 2025–2026” includes popular styles and a dedicated section for quick pricing references of lab-grown diamond bridal jewelry.

Though currently paused, high tariffs threaten many countries where gemstones are mined. Dealers are taking measures now to prepare.

Located in Miami’s Design District, the 4,000-square-foot store is an homage to David and Sybil Yurman’s artistic roots.