Policies & IssuesDec 03, 2021
Alliance for Responsible Mining Names New Executive DirectorGradingDec 07, 2021
Matthew Tratner Joins Sarine Group
He has departed GIA to become the vice president of North American operations.
An alum of GIA, Jewelers of America, and National Jeweler, Matthew Tratner’s next move will take him to Sarine Group.
New York—Longtime jewelry industry member Matthew Tratner is making a career move.
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.
Related stories will be right here …
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.”
Editors' Picks
Sponsored by
More on Grading
The Latest
CollectionsOct 22, 2026
Billie Eilish, Finneas Co-Design Collection for John HardyThe Academy and Grammy award-winning siblings have collaborated with John Hardy on a new jewelry line inspired by their personal style.
PodcastsOct 21, 2026
Episode 10: This Episode Is Haunted Diana Singer shared the stories of two “cursed” diamonds on this month’s podcast, which was inexplicably riddled with technical issues.
IndependentsOct 21, 2026
Gardner-Collier Jewelry to Close After 9 Decades in BusinessThe family-owned jeweler has three locations across Missouri and Iowa.
Brought to you by
A Diamond Is Forever Launches 2026 Holiday Campaign Championing Natural DiamondsA Diamond Is Forever's holiday campaign reimagines natural diamond icons for a new generation celebrating individuality.
SourcingOct 21, 2026
Venetia Mines Final Carats Ahead of 2-Year ShutdownThe De Beers-owned diamond mine in South Africa is being put on ice as part of a round of previously announced cost-cutting measures.
Weekly QuizOct 15, 2026
This Week’s QuizTest your jewelry news knowledge by answering these questions.
CollectionsOct 21, 2026
Helzberg, Nordstrom Carrying New Jewelry Collection From Off-WhiteThe collection centers designs with clean geometric lines, chunky sculptural pieces, and recognizable details from the luxury fashion brand.
SourcingOct 21, 2026
Gemfields’ Mixed-Quality Ruby Auction Earns $52MThe miner said it saw particularly strong prices for larger, fine-quality rubies at the sale.
Brought to you by
Open an Account, Get $50 Off Your First Order. No Code Needed.Built on Relationships. Refined by Craft.
CrimeOct 20, 2026
Security Guard Charged With Murder in Shooting at Texas MallThe guard opened fire on a man who was smashing a jewelry display case at La Gran Plaza in Fort Worth last week, police said.
IndependentsOct 20, 2026
David Gardner’s Jewelers Unveils Newly Expanded, Revamped ShowroomThe Texas jeweler added 2,000 square feet to its reimagined showroom, complete with a new design studio and an event space.
SourcingOct 20, 2026
The $50M Victoria’s Secret ‘Fantasy Bra’ By The NumbersJacob & Co.'s diamond masterpiece is the most expensive Fantasy Bra ever worn on the Victoria’s Secret Fashion Show runway.
CollectionsOct 20, 2026
Mignon Faget’s Collection Chooses Handmade Over AIThe “Atelier” collection was inspired by the tools, rituals, and objects in an artist’s studio as a quiet rebuttal to an automated world.
MajorsOct 19, 2026
The Knot to Acquire Rival Wedding Planning Platform ZolaThe pending acquisition is an “exciting opportunity” for wedding vendors to grow their business, said The Knot Worldwide’s CEO.
SourcingOct 19, 2026
Jewelry Design Competition Show Airs in Thailand"The Secret Gems" features eight Thai jewelry brands paired with a team of young craftspeople who create jewelry together to win challenges.
CollectionsOct 19, 2026
John Hardy Enters the Medallion Chat With Talisman Collection The brand’s “Modern Talisman” capsule collection introduces pendants inspired by the mythology, natural world, and spiritual ethos of Bali.
IndependentsOct 19, 2026
The Stories of 5 Jewelers Celebrating Their Centennials in 2026Independent jewelers from New Mexico to New Jersey answer the question: What has kept your store in business for 100 years?
SurveysOct 16, 2026
How Inflation, Gas Prices Will Affect Holiday Sales The NRF is expecting holiday sales to increase this year, but consumers and retailers alike are facing Grinch-like headwinds.
CollectionsOct 16, 2026
Christina Puchi’s Earrings Hold the UniverseOur Piece of the Week gathers the planets, represented by a variety of colored gemstones, in a pair of 14-karat yellow gold earrings.
IndependentsOct 16, 2026
Reeds Jewelers Expands, Relocates FlagshipThe New York-based jeweler is moving its Amherst flagship store to a larger location in nearby Snyder.
MajorsOct 16, 2026
Katy Chen Appointed Executive Vice President of Graff USA Chen, who worked at Cartier and Tiffany & Co., will lead retail sales and operations for the luxury jeweler’s 11 U.S. stores.
IndependentsOct 15, 2026
Retailer Hall of Fame 2026: Amy and Elise Greenberg For 40 years, sisters Amy and Elise Greenberg have helmed their 126-year-old family business, leading with appreciation and integrity.
ColumnistsOct 15, 2026
Peter Smith: What Is the Culture REP?It’s a term Smith coined and felt compelled to share following a bad experience with an aborted flight and an unfeeling flight attendant.
WatchesOct 15, 2026
Stephanie Gottlieb’s New Movado Watches Are Made for Your Wrist StackMovado teamed up with the New York-based fine jewelry designer on a new collection of Movado Museum Velura watches.
SourcingOct 15, 2026
Signet Jewelers, Richemont May Join Bidder for De Beers, Report SaysThe two companies are reportedly in talks to join the Global Diamond Consortium, led by former De Beers CEO Gareth Penny, as per Bloomberg.
CollectionsOct 15, 2026
Wolf x Marla Aaron's New Jewelry Box Is for Some (Not All) of Your ThingsThe “Some of the Things” box follows the two larger “Everything” box designs with the look and function of antique sewing and toolboxes.
IndependentsOct 14, 2026
Retailer Hall of Fame 2026: Coleman and Mitchell ClarkFourth-generation jewelers Coleman and Mitchell Clark exemplify the best qualities of their predecessors: humility, modesty, and confidence.
SourcingOct 14, 2026
Manuel Marcial de Gomar, ‘The Emerald Whisperer,’ Dies at 90The gem hunter, whose 70-year career was defined by adventure and exploration, is remembered for his steadfast faith and sense of wonder.
