Sourcing

Angolan State-Owned Diamond Co. Backs Out of De Grisogono

SourcingDec 06, 2017

Angolan State-Owned Diamond Co. Backs Out of De Grisogono

Sodiam said it is divesting a stake in the Geneva-based brand for “reasons of public interest and legality.”

20171002_DeGrisogono-header.jpg
Angolan state-owned diamond company Sodiam has announced that it will divest a stake in Geneva-based jewelry brand De Grisogono. Pictured here is “The Art of De Grisogono, Creation I,” which went up for auction last month at Christie’s.

Luanda, Angola--An Angolan state-owned diamond company is pulling its investment in a Swiss jewelry company with ties to the country’s former first family.

Bloomberg reported Tuesday that Sodiam, a subsidiary of Endiama, the country’s national mining company, announced it would divest its stake in Geneva-based De Grisogono after a board meeting Dec. 1, saying it was doing so for “reasons of public interest and legality.” It did not give details on how the transaction would be completed.

De Grisogono reportedly is controlled by Sindika Dokolo, the husband of Isabel Dos Santos, the daughter of former Angolan President Jose Eduardo dos Santos and the richest woman in Africa, according to Forbes.

The move from Sodiam comes as newly elected Angolan President Joao Lourenco aims to distance the country from the business interests of his predecessor’s family. He has removed Isabel as head of Sonangol, Angola’s state oil company, and announced plans to auction a new telecoms license to compete with Unitel SA, which she controls.

Though De Grisogono doesn’t normally comment on its ownership structure, Marketing Director Gianluca Maina sent the following statement to National Jeweler via email following Sodiam’s announcement.

“Following a recent change in their leadership, Sodiam, a minority shareholder, has announced its intention to exit as an investor in De Grisogono,” he told National Jeweler via email. “This decision won’t have any impact on our majority shareholders who have reconfirmed their continued commitment to our brand and its future and we continue to have strong financial support.”

He added that over the last four years, De Grisogono has increased marketing investment in the brand, added diamond products, moved to a new headquarters and opened new boutiques to expand its international footprint. “As a result De Grisogono today is stronger than ever--with more visibility, better boutiques and incredible stock--and we are starting to reap the benefits of this investment.”

De Grisogono’s connection to Angola’s former first family led gem explorer Yianni Melas to go on a hunger strike recently in Geneva, where he was boycotting not only the brand but also Christie’s auction of the “The Art of De Grisogono, Creation I,” a necklace featuring a 163.41-carat flawless, D color diamond at center that was mined in Angola.

Melas has been calling for a boycott of the brand since this spring, using his his Instagram account to help raise awareness. 

When the necklace sold for $33 million (including buyer’s premium),

the brand announced its partner, Nemesis International, would donate 1 percent of the of the hammer price to the foundation Fundação Brilhante, an organization championing social change in the areas surrounding mines in Angola.

The low amount of the donation spurred Melas to continue his hunger strike in Athens, eventually extending it to a total of 30 days to represent the total the necklace sold for (minus buyer’s premium), he told National Jeweler. He has two days remaining.
Brecken Branstratoris the senior editor, gemstones at National Jeweler, covering sourcing, pricing and other developments in the colored stone sector.

The Latest

Diamond engagement rings by designer Lorraine West
TrendsFeb 25, 2026
Engagement Ring Trends 2026: What’s In, and Why

We asked a jewelry historian, designer, bridal director, and wedding expert what’s trending in engagement rings. Here’s what they said.

Brilliant Earth Beverly Hills showroom
EditorsFeb 25, 2026
Q&A: Brilliant Earth’s CEO on the New Beverly Hills Store

Beth Gerstein discusses the vibe of the new store, what customers want when fine jewelry shopping today, and the details of “Date Night.”

My Next Question podcast with Marion Fasel and Natalie Francisco
PodcastsFeb 25, 2026
Episode 2: Jewelry Trends & Does the Red Carpet Matter?

Are arm bands poised to make a comeback? Has red-carpet jewelry become boring? Find out on the second episode of the “My Next Question” podcast.

TopImageCrop.jpg
Brought to you by
Is This You? Every Jeweler Has This Problem; We Have the Solution.

Every jeweler faces the same challenge: helping customers protect what they love. Here’s the solution designed for today’s jewelry business.

Breitling Navitimer B19 Chronograph 43 Perpetual Calendar
WatchesFeb 25, 2026
Private Equity Firms Write Down Value of Breitling, Report Says

The Swiss watchmaker is battling declining sales amid a rapid retail expansion, according to a Financial Times report.

Weekly QuizFeb 19, 2026
This Week’s Quiz
Test your jewelry news knowledge by answering these questions.
Take the Quiz
Rahaminov Diamonds Matriarch Campaign
CollectionsFeb 25, 2026
Rahaminov Diamonds’ New Campaign Honors Its Matriarch

The campaign celebrates Giustina Pavanello Rahaminov, the co-founder’s wife and matriarch of the family-owned brand, for her 88th birthday.

Borsheims Rachel Bennett
IndependentsFeb 25, 2026
Borsheims Names 2025 ‘Ike-It’ Award Winner

Rachel Bennett, a senior jeweler who has been with Borsheims since 2004, earned the award.

dca-laptop.jpg
Brought to you by
DCA Enters a New Chapter in Jewelry Education

With refreshed branding, a new website, updated courses, and a pathway for growth, DCA is dedicated to supporting retail staff development.

Stock image of shipping containers
Policies & IssuesFeb 24, 2026
IEEPA Tariffs Terminated, New 10% Tariff Already Imposed

After the Supreme Court struck down the IEEPA tariffs, President Trump imposed a 10 percent tax on almost all imports via a different law.

Sherry Smith, National Jeweler columnist and principal partner at The Retail Smiths
IndependentsFeb 24, 2026
Sherry Smith Now Principal Partner at The Retail Smiths

The industry veteran, who was with The Edge Retail Academy for 14 years, joins her husband at the company he founded in 2022.

Yafa Signed Jewels Van Cleef & Arpels Necklace and Earrings
IndependentsFeb 24, 2026
Yafa Signed Jewels to Open Store in Miami

The vintage signed jewelry retailer chose Miami due to growing client demand in the city and the greater Latin American region.

Jin Lee Chrono24
WatchesFeb 24, 2026
Chrono24 Names New VP, U.S. General Manager

Former Flight Club executive Jin Lee will bring his experience from the sneaker world to the pre-owned watch marketplace.

NYCJAOS spring show 2026
Events & AwardsFeb 23, 2026
NYCJAOS Announces Four-Day Spring Show

The April event will feature a new VIP shopping day requiring a special ticket.

Dua Lipa Bulgari Brand Ambassador
TrendsFeb 23, 2026
Dua Lipa Is Bulgari’s New Ambassador

Bulgari chose the British-Albanian singer-songwriter for her powerful and enduring voice in contemporary culture, the jeweler said.

US Supreme Court building
Policies & IssuesFeb 20, 2026
Supreme Court Rules Against Most of President Trump’s Tariffs

In a 6-3 ruling, the court said the president exceeded his authority when imposing sweeping tariffs under IEEPA.

Headshot of National Jeweler columnist Peter Smith
ColumnistsFeb 20, 2026
Peter Smith: Happiness, Cavemen, and Jewelry Sales

Smith encourages salespeople to ask customers questions that elicit the release of oxytocin, the brain’s “feel-good” chemical.

Jewelers Vigilance Committee logo
MajorsFeb 20, 2026
Jewelers Vigilance Committee Names Julie Yoakum Board Chair

JVC also announced the election of five new board members.

Boucheron Faisceaux Brooch
CollectionsFeb 20, 2026
Boucheron’s ‘Faisceaux’ Brooch Heads to V&A Museum

The brooch, our Piece of the Week, shows the chromatic spectrum through a holographic coating on rock crystal.

Ann Weaver Bailey, also known as “Mama Ann”
IndependentsFeb 19, 2026
Bailey’s Fine Jewelry Co-Founder ‘Mama Ann’ Bailey Dies at 100

Raised in an orphanage, Bailey was 18 when she met her husband, Clyde. They opened their North Carolina jewelry store in 1948.

Material Good Boston Location Interior Rendering
IndependentsFeb 19, 2026
Material Good Opens Third Location

Material Good is celebrating its 10th anniversary as it opens its new store in the Back Bay neighborhood of Boston.

Original Miami Beach Antique Show sign
Events & AwardsFeb 19, 2026
The Original Miami Beach Antique Show Returns in March

The show will be held March 26-30 at the Miami Beach Convention Center.

Joanna Carson jewelry auction
AuctionsFeb 18, 2026
Joanna Carson’s Jewels Head to Auction

The estate of the model, philanthropist, and ex-wife of Johnny Carson has signed statement jewels up for sale at John Moran Auctioneers.

Select Jewelry Graziella Air
MajorsFeb 18, 2026
Select Jewelry Inks Agreement to Distribute Lightweight Gold Jewelry

It will lead distribution in North America for Graziella Braccialini's new gold pieces, which it said are 50 percent lighter.

Community for Ethical Jewelry Logo
Policies & IssuesFeb 18, 2026
Community for Ethical Jewelry Looks for Executive Director

The organization is seeking a new executive director to lead it into its next phase of strategic growth and industry influence.

DCA colored gemstone course on laptop
Events & AwardsFeb 18, 2026
DCA to Host Gemstone Selling Education Session at IJO Event

The nonprofit will present a live, two-hour introductory course on building confidence when selling colored gemstones.

Cece Jewellery Traveller’s Tale Ring
TrendsFeb 17, 2026
A Bit of Jewelry for the Year of the Horse

Western wear continues to trend in the Year of the Fire Horse and along with it, horse and horseshoe motifs in jewelry.

Anza gems
SourcingFeb 17, 2026
Colored Gemstone Experts Talk Tariffs, Trends in Tucson

Although the market is robust, tariffs and precious metal prices are impacting the industry, Stuart Robertson and Brecken Branstrator said.

×

This site uses cookies to give you the best online experience. By continuing to use & browse this site, we assume you agree to our Privacy Policy