Matthew Tratner Joins Sarine Group
He has departed GIA to become the vice president of North American operations.

He is joining Sarine Group as general manager and vice president of Sarine North America, Inc.
Tratner has spent nearly two decades in the industry, most recently as the Gemological Institute of America’s director of global business development. At GIA, he headed the Diamond Origin Traceability program, among other projects.
Prior to his time at GIA, Tratner was director of membership and sales at Jewelers of America and the Diamond Council of America. Concurrently, he served as National Jeweler’s publisher.
Tratner has also served in various positions in the wholesale and retail division of the U.S. diamond trade.
He has been elected to the Women’s Jewelry Association’s International Board of Directors for the 2022-2023 term.
Sarine develops, manufactures, and sells technology products to evaluate, process, grade, and trade diamonds and gems.
Its products include Galaxy inclusion and tension mapping systems; rough diamond planning and optimization technologies; laser cutting and shaping tools; laser-marking, inscription, and finger-printing equipment; and AI-derived automated diamond grading tools.
Sarine’s tools are used by manufacturers, gemology labs, and diamond appraisers such as retailers, dealers, and polishers.
It is headquartered in Hod Hasharon, Israel, with offices on 47th Street in New York City’s Diamond District, where Tratner will work.
“We are extremely pleased that Matthew is joining Sarine's worldwide staff in order to lead our North American business and operations,” Sarine CEO David Block said in a statement.
“I am confident that he is the perfect fit to propel our retail-aimed technologies, in general, and specifically our traceability solution, the Sarine Diamond Journey, and our AI-based e-Grading technology to the forefront of the U.S. retail market, ultimately creating a new level of consumer experience and confidence. Matthew is joining at the perfect timing, as the U.S. market is going through a transition, as it appreciates the crucial part technological and digital solutions play in today’s rapidly changing retail environment.”
Tratner added, “Sarine’s best-in-class technology and their creative solutions available to the jewelry retailer greatly improve the retailer’s margins on existing offerings, while also developing new channels ad opportunities by which to engage with their customers.
“Sarine is creating the future of our industry. They are the best-kept secret on the retail side of the jewelry business, and I aim on changing that in North America.”
The Latest

Flower motifs are the jewelry trend blooming amongst the new collections that debuted this spring.

The retailer reported an 8 percent decline in annual sales as it struggles under the weight of billions of dollars of debt.

The “Devil” drop earrings, our Piece of the Week, are part of designer Edina Kiss’ new namesake jewelry line that she will show at Couture.

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

The alert states that burglary crews are targeting jewelry businesses and details how jewelers and refineries can protect themselves.


The “watchmaker of shapes” debuted the reworked version of the vintage sports car-inspired timepiece at Watches & Wonders.

As demand for jewelry retail coaching grows, the company has established a dedicated business coaching leadership team.

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

The “Mountings 2026-2027” catalog showcases Stuller’s largest and most diverse assortment to date with more than 400 new mounting styles.

Sally Morrison and Mark Klein discuss De Beers’ first beacon in 16 years and the mistake the industry made with lab-grown diamonds.

McKenzie spent 45 years with Spark Creations and is remembered for being kind, dedicated, and hardworking.

Rolex focused exclusively on the Oyster Perpetual this year, as the model is celebrating its 100th anniversary.

The luxury giant discussed the Middle East conflict and its transformation plans, hinting at a stronger jewelry presence in North America.

Kalpesh Jhaveri was re-elected as president for a third year.

“Diamond Divas,” a social media reality series by Shahla Karimi Jewelry, is nominated in the “Best Social: Fashion & Beauty” category.

The campaign seeks to reignite desire for natural diamond engagement rings by highlighting the “distinct character” of warm-toned diamonds.

Plus, how Saks Global’s bankruptcy affected the luxury giant’s first quarter.

Presented by Mason-Kay Jade, the summit, in its second year, will again be held during the Monterey Bay Jade Festival.

The group has announced its lineup of speakers and a new “Rising Stars” pavilion.

The “Carbon Form” collection explores the contrast between high and low materials, using rubber cord alongside 18-karat gold and gemstones.

The program provides essential funding to organizations for projects that enhance the jewelry industry.

The jewelry trade show is launching its first open-to-the-public event in Coconut Grove this November.

JSA is seeking information about the gunpoint robbery of a Kay Jewelers location in Oregon’s Washington Square Mall.

The top-performing watch models may be surprising, with Rolex and several popular pandemic-era picks notably absent from the top 20.

The “Scroll” toggle pendant, our Piece of the Week, opens to reveal a hidden message, mantra, or love letter written on washi paper.

Jewelers who misinterpret the state of the jewelry market risk employing the wrong retail strategy, cautions columnist Sherry Smith.

In her newly expanded role, she will continue to oversee the jewelry category, as well as watches, home, and accessories.





















