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.”
More on Grading
The Latest
MajorsNov 21, 2025
Natural Diamond Council Names New CEOAmber Pepper’s main focus will be on digital innovation and engaging younger consumers.
SourcingNov 21, 2025
De Beers’ Branded, Traceable Diamonds Roll Out to 19 Retailers Called “Origin by De Beers Group,” the loose, polished diamonds are being sold in a total of 30 stores in the United States and Canada.
CollectionsNov 21, 2025
Piece of the Week: Melissa Kaye’s ‘Rocky Infinity’ NecklaceThe lariat necklace features a 4.88-carat oval-cut Zambian emerald in 18-karat yellow gold.
Brought to you by
Impacting Tomorrow TodayHow Jewelers of America’s 20 Under 40 are leading to ensure a brighter future for the jewelry industry.
AuctionsNov 20, 2025
Vanderbilt Jewels Shine at Phillips Sale, Pink Diamond WithdrawnA 43-carat sapphire brooch from the Vanderbilt collection was the top lot of the Geneva sale.
Weekly QuizNov 20, 2025
This Week’s QuizTest your jewelry news knowledge by answering these questions.
CollectionsNov 20, 2025
Rebecca Rau Jewels Debuts With ‘Then & Now’ CollectionRau is a fourth-generation art and antique dealer from M.S. Rau gallery whose first jewelry collection merges artifacts with modern design.
Policies & IssuesNov 20, 2025
RJC Names New Executive DirectorFormer De Beers sustainability leader Purvi Shah will take over the role in February 2026.
Brought to you by
Roseco Releases New Full-Line CatalogRoseco’s 704-page catalog showcases new lab-grown diamonds, findings, tools & more—available in print or interactive digital editions.
WatchesNov 20, 2025
LVMH Takes Minority Stake in Citizen Group-Owned Movement Maker La Joux-Perret is based in La Chaux-de-Fonds, Switzerland, and makes solar quartz as well as mechanical watch movements.
CollectionsNov 19, 2025
Larkspur & Hawk Celebrates 25 Years With Helena Bonham Carter CampaignThe British actress and her daughter modeled pieces from the brand’s new “Palette” capsule for its “Once Upon a Time” holiday campaign.
TechnologyNov 19, 2025
Google Has a New Form for Reporting ‘Review Bombing’ Attacks Plus, the tech giant shares the steps retailers should take if they believe they’re a victim of a review extortion scam.
IndependentsNov 19, 2025
Houston Jeweler Keith Shaftel Retires, Next Generation Steps In Danny and Gaby Shaftel are now Shaftel Diamonds’ CEO and chief operating officer, respectively.
TrendsNov 19, 2025
Midas Chain Releases 2025 Holiday Style GuideThe jewelry manufacturer’s seasonal offering features its new “Melodie” bangles, as well as mini stud earrings and layering pieces.
Events & AwardsNov 18, 2025
NYC Jewelry Week 2025: 12 Must-See EventsWith more than 140 activations taking place in New York City now through Nov. 23, these 12 events are can’t-miss moments.
MajorsNov 18, 2025
Lugano Diamonds Files for Bankruptcy, Looking for BuyerThe Chapter 11 filing follows the resignation of CEO Moti Ferder, who stepped down after an investigation into the company’s finances.
Events & AwardsNov 18, 2025
A Giant, Bejeweled Moldy Berry Is on Display in LAThe artwork is part of an exhibition featuring works by Kathleen Ryan, an artist known for her gemstone-studded rotting fruit sculptures.
SourcingNov 18, 2025
Another Diamond Company CEO Steps DownMark Wall, president and CEO of Canadian mining company Mountain Province Diamonds, will vacate his position next month.
CrimeNov 17, 2025
Police Searching for 2 Suspects in Murder of Father, Son Jewelers Faustino Alamo Dominguez and his son, 25-year-old Luis Angel Alamo, were gunned down following an armed robbery at their jewelry store.
MajorsNov 17, 2025
Look Inside Robbins Brothers Fine Jewelers’ New Pasadena FlagshipThe showroom is located in a historic 1920s building in the Playhouse District.
Policies & IssuesNov 14, 2025
U.S., Switzerland Reach Deal That Drops Tariff to 15%The Swiss government announced the deal, which cuts the tax on Swiss imports by more than half, on social media Friday morning.
AuctionsNov 14, 2025
Napoleon’s Diamond Brooch Blows Away Auction Estimates 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.
FinancialsNov 14, 2025
Richemont’s Q2 Jewelry Sales Up 12%Plus, how tariffs and the rising price of gold are affecting its watch and jewelry brands.
CollectionsNov 14, 2025
Piece of the Week: Silvia Furmanovich’s ‘Butterflies in Flight’ Jewelry BoxFurmanovich designed the box to hold Mellerio’s “Color Queen,” a high jewelry collection consisting of 10 rings.
Events & AwardsNov 14, 2025
JCK Names New Event DirectorJennifer Hopf, who has been with JCK since 2022, will lead the execution of the long-running jewelry trade show.
IndependentsNov 13, 2025
127-Year-Old New Orleans Jeweler to CloseAdler’s Jewelry is set to close its two stores as 82-year-old owner Coleman E. Adler II retires.
IndependentsNov 13, 2025
Green Lake Jewelry Works to Move to New Seattle StudioFounder Jim Tuttle shared how a dedication to craftsmanship and meaningful custom jewelry fueled the retailer’s double-digit growth.
MajorsNov 13, 2025
Vahan Jewelry Founder Leon ‘Sacha’ Der Calousdian Dies at 85The third-generation jeweler is remembered as a passionate creative with a love of art, traveling and sailboat racing.
