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
PodcastsApr 15, 2026
Episode 4: The Natural Diamond DilemmaSally Morrison and Mark Klein discuss De Beers’ first beacon in 16 years and the mistake the industry made with lab-grown diamonds.
MajorsApr 15, 2026
Spark Creations’ Randy McKenzie Dies at 72 McKenzie spent 45 years with Spark Creations and is remembered for being kind, dedicated, and hardworking.
WatchesApr 15, 2026
These Are the New Rolex Watches for 2026Rolex focused exclusively on the Oyster Perpetual this year, as the model is celebrating its 100th anniversary.
Brought to you by
Discover Timeless Treasures: A Showcase of Antique Jewelry & Timepieces in Las VegasGain access to the most exclusive and coveted antique pieces from trusted dealers during Las Vegas Jewelry Week.
FinancialsApr 15, 2026
Kering’s Jewelry Shines in Q1, Gucci’s Struggle ContinuesThe luxury giant discussed the Middle East conflict and its transformation plans, hinting at a stronger jewelry presence in North America.
Weekly QuizApr 09, 2026
This Week’s QuizTest your jewelry news knowledge by answering these questions.
TechnologyApr 15, 2026
This Jewelry Brand’s Video Series Is Up for a Webby Award“Diamond Divas,” a social media reality series by Shahla Karimi Jewelry, is nominated in the “Best Social: Fashion & Beauty” category.
FinancialsApr 14, 2026
LVMH’s Q1 Sales Sink 6% Amid Middle East ConflictPlus, how Saks Global’s bankruptcy affected the luxury giant’s first quarter.
Brought to you by
Las Vegas Antique Jewelry & Watch Show: Showcasing the Most Collectible Merchandise from Across the GlobeGain access to the most exclusive and coveted antique pieces from trusted dealers during Las Vegas Jewelry Week.
SourcingApr 14, 2026
International Jade Summit to Return to MontereyPresented by Mason-Kay Jade, the summit, in its second year, will again be held during the Monterey Bay Jade Festival.
Events & AwardsApr 14, 2026
CBG Releases Details for Las Vegas ShowThe group has announced its lineup of speakers and a new “Rising Stars” pavilion.
CollectionsApr 13, 2026
Uniform Object’s New Jewelry Collection Centers on the ‘Carbon Form’The “Carbon Form” collection explores the contrast between high and low materials, using rubber cord alongside 18-karat gold and gemstones.
Events & AwardsApr 13, 2026
JA Accepting 2026 Impact Initiative ApplicationsThe program provides essential funding to organizations for projects that enhance the jewelry industry.
Events & AwardsApr 13, 2026
Couture Announces New Show in MiamiThe jewelry trade show is launching its first open-to-the-public event in Coconut Grove this November.
CrimeApr 13, 2026
JSA Offers Reward in Oregon Jewelry Store Armed RobberyJSA is seeking information about the gunpoint robbery of a Kay Jewelers location in Oregon’s Washington Square Mall.
WatchesApr 10, 2026
These Watches Have Increased in Value the Most Since 2018, Says Chrono24The top-performing watch models may be surprising, with Rolex and several popular pandemic-era picks notably absent from the top 20.
CollectionsApr 10, 2026
Ophelia Eve’s Toggle Pendant Holds Your SecretsThe “Scroll” toggle pendant, our Piece of the Week, opens to reveal a hidden message, mantra, or love letter written on washi paper.
ColumnistsApr 09, 2026
Jewelry Demand Isn’t Stronger, Prices Are Just Higher Jewelers who misinterpret the state of the jewelry market risk employing the wrong retail strategy, cautions columnist Sherry Smith.
MajorsApr 09, 2026
Tiffany & Co. Promotes Nathalie Verdeille to SVP, Chief Artistic OfficerIn her newly expanded role, she will continue to oversee the jewelry category, as well as watches, home, and accessories.
WatchesApr 09, 2026
Jacob & Co. Rolls Out Its Sequel to ‘The Godfather’ Musical Watch“The Godfather II” watch plays two melodies from the mob film’s score, “The Godfather’s Waltz” and “The Godfather Love Theme.”
Events & AwardsApr 09, 2026
JCK Announces Jesse Itzler as 2026 Keynote SpeakerOrganizers have also introduced the new JCK Talks Signature Series, as well as an offering of watch-focused workshops and lectures.
SourcingApr 09, 2026
AGA To Honor ‘Quiet Leadership’ With New AwardThe Alan Hodgkinson Medal recognizes gemologists who are consistently generous with their time and expertise.
WatchesApr 09, 2026
Oris Names New CEO, CFOThe Swiss watchmaker is changing up its executive leadership team as part of a restructuring.
CollectionsApr 08, 2026
Hearts On Fire Celebrates 30 Years By Asking a QuestionThe “What’s Your Signature?” campaign invites women to think about how they see themselves.
SourcingApr 08, 2026
Sale of 42-Carat Blue Diamond Gives Petra a Boost in Q3The big diamond’s sale added to the company’s revenue though the market remains “challenging” overall, particularly for smaller goods.
Events & AwardsApr 08, 2026
AGS Confluence Returns with AI, Sustainability SessionsRob Bates of The Jewelry Wire will also moderate a panel on the state of the jewelry industry during the virtual event.
Events & AwardsApr 08, 2026
TJS to Honor 2 Longtime Former Stuller EmployeesThe Jewelry Symposium will honor two industry veterans with lifetime achievement awards at its upcoming May event.
TrendsApr 08, 2026
Amanda’s Style File: April’s Brilliant Birthstone With their durability, brilliance, and beauty, diamonds are the perfect stone for everyday birthstone jewelry.
