SourcingOct 19, 2023
Antwerp World Diamond Centre Appoints New PresidentSourcingOct 19, 2023
Marc Jacheet Leaves Role as CEO of De Beers Brands
Sandrine Conseiller, CEO of French footwear and apparel company Aigle, has been hired to replace him.
Sandrine Conseiller will be the new CEO of De Beers Brands. She comes to the company after eight years at Maus Freres Brands Group, where she most recently served as CEO of footwear and apparel company Aigle.
London—After less than two years on the job, CEO of De Beers Brands Marc Jacheet has left the company.
De Beers Group announced his exit Thursday. He will be replaced by Sandrine Conseiller, who has spent the last eight years at Maus Freres Brands Group, which owns Lacoste and The Kooples brands, among others.
She will join the company Dec. 1, overseeing the company’s brands, including De Beers Jewellers and Forevermark, and investment in existing and new diamond markets.
Most recently, Conseiller was CEO of footwear and apparel company Aigle, a Maus Freres brand.
Before that, she worked as group marketing and branding executive vice president for Lacoste.
Prior to her time at Maus Freres, she spent almost two decades in leadership roles at Unilever in marketing, general management, and auditing.
Conseiller holds a master’s degree in business management from NEOMA Business School in France and has an International Directors Programme certificate from INSEAD.
She has served as a board member and senior advisor at PPYarns, Carbios, and Raise Sherpas. She also received the Chevalière de l’Ordre National du Mérite (Knight of the French Republic) for her work promoting diversity and sustainability in business.
Related stories will be right here …
De Beers Group announced his exit Thursday. He will be replaced by Sandrine Conseiller, who has spent the last eight years at Maus Freres Brands Group, which owns Lacoste and The Kooples brands, among others.
She will join the company Dec. 1, overseeing the company’s brands, including De Beers Jewellers and Forevermark, and investment in existing and new diamond markets.
Most recently, Conseiller was CEO of footwear and apparel company Aigle, a Maus Freres brand.
Before that, she worked as group marketing and branding executive vice president for Lacoste.
Prior to her time at Maus Freres, she spent almost two decades in leadership roles at Unilever in marketing, general management, and auditing.
Conseiller holds a master’s degree in business management from NEOMA Business School in France and has an International Directors Programme certificate from INSEAD.
She has served as a board member and senior advisor at PPYarns, Carbios, and Raise Sherpas. She also received the Chevalière de l’Ordre National du Mérite (Knight of the French Republic) for her work promoting diversity and sustainability in business.
“I’m delighted to welcome Sandrine to De Beers. Her track record as a leader of iconic, purpose-led brands speaks for itself. She has consistently driven transformation and growth. But I am even more impressed by her passion and values,” De Beers Group CEO Al Cook said.
“Sandrine joins De Beers at an exciting time, as we grow the value of our 135-year old brand and share magnificent diamond jewelry with our clients around the world. I look forward to working with her.”
Jacheet, a former Tiffany & Co. executive, joined De Beers in April 2022 after the retirement of company veteran Stephen Lussier, who spent 37 years with De Beers.
At the time of his retirement, Lussier’s title was executive vice president of brands and consumer markets, but Jacheet joined the company as CEO of De Beers Brands, a new title at the time.
De Beers said he has left the company to “pursue other opportunities.”
Cook said, “I would like to thank Marc for his support and contribution during his time as CEO of De Beers brands and wish him great success in the future.”
More on Sourcing
The Latest
MajorsOct 23, 2026
PGI USA Set to Close at Year’s EndThe closure is part of a global restructuring that also includes PGI winding down its operations in Japan, South Korea, and Hong Kong.
TechnologyOct 23, 2026
JA Unveils New Website, LogoThe website offers enhanced member benefit access, industry directories, educational resources, a job board, and access to the MJSA Journal.
FinancialsOct 23, 2026
Kering’s Jewelry Sales Up Double Digits in Q3Boucheron and Pomellato had a strong third quarter, with Kering looking at jewelry as an increasingly important part of its portfolio.
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.
CrimeOct 22, 2026
Jeweler Shot and Killed in His Suburban Cincinnati Store Tara Sinchuri was the owner of Everest Jewels in Fairfield, Ohio, and a father of three. He was found dead in his store on Tuesday.
Weekly QuizOct 22, 2026
This Week’s QuizTest your jewelry news knowledge by answering these questions.
MajorsOct 22, 2026
Neiman Marcus Has Gifts for the Jewelry Lover Who Has EverythingBespoke experiences from Buccellati and Verdura are on the retailer’s 2026 “Fantasy Gifts” list.
Events & AwardsOct 22, 2026
JIS Fall 2026 Reports Record-Breaking Attendance The number of participants at the fall show was up 12 percent.
Brought to you by
Open an Account, Get $50 Off Your First Order. No Code Needed.Built on Relationships. Refined by Craft.
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.
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.
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.
