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

The Swiss government announced the deal, which cuts the tax on Swiss imports by more than half, on social media Friday morning.

A buyer paid $4.4 million for the piece, which Napoleon wore on his hat for special occasions and left behind when he fled Waterloo.

Plus, how tariffs and the rising price of gold are affecting its watch and jewelry brands.

Roseco’s 704-page catalog showcases new lab-grown diamonds, findings, tools & more—available in print or interactive digital editions.

Furmanovich designed the box to hold Mellerio’s “Color Queen,” a high jewelry collection consisting of 10 rings.


Jennifer Hopf, who has been with JCK since 2022, will lead the execution of the long-running jewelry trade show.

Adler’s Jewelry is set to close its two stores as 82-year-old owner Coleman E. Adler II retires.

From educational programs, advocacy, and recent MJSA affiliation, Jewelers of America drives progress that elevates businesses of all sizes.

Founder Jim Tuttle shared how a dedication to craftsmanship and meaningful custom jewelry fueled the retailer’s double-digit growth.

The third-generation jeweler is remembered as a passionate creative with a love of art, traveling and sailboat racing.

JSA and Cook County Crime Stoppers are both offering rewards for information leading to the arrest of the suspect or suspects involved.

A buyer paid $25.6 million for the diamond at Christie’s on Tuesday. In 2014, Sotheby’s sold the same stone for $32.6 million.

Mercedes Gleitze famously wore the watch in her 1927 swim across the English Channel, a pivotal credibility moment for the watchmaker.

Tiffany & Co., David Yurman, and Pandora have launched holiday campaigns depicting their jewelry as symbols of affection and happiness.

The National Retail Federation is bullish on the holidays, forecasting retail sales to exceed $1 trillion this year.

Late collector Eddy Elzas assembled “The Rainbow Collection,” which is offered as a single lot and estimated to fetch up to $3 million.

At the 2025 World Series, the Los Angeles Dodgers’ Yoshinobu Yamamoto sported a custom necklace made by California retailer Happy Jewelers.

The brand’s seventh location combines Foundrae’s symbolic vocabulary with motifs from Florida’s natural surroundings.

The retailer also shared an update on the impact of tariffs on watch customers.

Pink and purple stones were popular in the AGTA’s design competition this year, as were cameos and ocean themes.

All proceeds from the G. St x Jewel Boxing raffle will go to City Harvest, which works to end hunger in New York City.

Courtney Cornell is part of the third generation to lead the Rochester, New York-based jeweler.

De Beers also announced more changes in its upper ranks ahead of parent company Anglo American’s pending sale of the company.

Former Signet CEO Mark Light will remain president of Shinola until a replacement for Ulrich Wohn is found.

Kindred Lubeck of Artifex has three rings she designed with Anup Jogani in Sotheby’s upcoming Gem Drop sale.

The company focused on marketing in the third quarter and introduced two new charm collections, “Pandora Talisman” and “Pandora Minis.”

The jewelry retailer raised its full-year guidance, with CFO Jeff Kuo describing the company as “very well positioned” for the holidays.



















