By Panafrican.email News Desk
October 3, 2026

Mountain Province Diamonds is transferring its 49% interest in the Gahcho Kué diamond mine in Canada’s Northwest Territories to De Beers as part of a restructuring designed to relieve financial pressure and remove the company’s liabilities connected to the operation.

Mountain Province Diamonds is relinquishing its 49% ownership stake in the Gahcho Kué diamond mine, handing full ownership of the Canadian operation to De Beers Canada under a restructuring agreement announced October 1.

The move comes amid a prolonged downturn in natural-diamond prices and growing financial pressure across the global diamond industry. Mountain Province said the restructuring is intended to strengthen its balance sheet, eliminate liabilities associated with Gahcho Kué and provide additional time to secure financing. (The Northern Miner)

The Gahcho Kué mine is located in Canada’s Northwest Territories, approximately 300 kilometres northeast of Yellowknife. Before the restructuring, Mountain Province held 49% of the project while De Beers Canada owned 51% and operated the mine. (Mountain Province)

From joint venture to full De Beers ownership

The restructuring fundamentally changes the ownership structure of one of Canada’s major diamond operations.

Under the agreement, De Beers will assume Mountain Province’s 49% interest while also taking responsibility for Mountain Province’s share of decommissioning, reclamation and environmental obligations associated with the mine. The agreement also addresses other outstanding debts owed by Mountain Province to De Beers. (The Northern Miner)

In return, Mountain Province and its subsidiaries are released from obligations associated with the joint venture.

The transaction therefore functions as both an ownership transfer and a balance-sheet restructuring.

Mountain Province President and CEO Jonathan Comerford said the agreement followed an extensive review of alternatives available to the company amid what it described as a material decline in diamond prices.

The company has also received a temporary standstill from its noteholders and lender Dunebridge Worldwide. Interest and principal repayments, along with certain enforcement rights, have been suspended for six months while Mountain Province works on its financial restructuring and seeks new funding. (Mining Weekly)

Why the diamond market matters

The Gahcho Kué restructuring is part of a broader period of pressure on the natural-diamond industry.

Diamond producers have faced weaker prices, subdued consumer demand and increasing competition from laboratory-grown diamonds. The resulting pressure has moved beyond production decisions and cost-cutting into questions about mine ownership, financing and long-term viability.

Mountain Province’s restructuring came at the same time that Petra Diamonds announced a strategic review that could include a sale of the company, highlighting the financial pressures affecting other natural-diamond producers. (The Northern Miner)

For Mountain Province, the issue is particularly significant because Gahcho Kué has historically represented its principal operating asset.

The company has described the restructuring as a way to remove substantial liabilities while retaining certain contractual rights that could allow it to participate in the mine again in the future. (JCK)

A strategic option remains open

Although Mountain Province is giving up its ownership interest, the agreement does not necessarily eliminate every future connection to Gahcho Kué.

According to reporting by JCK, Mountain Province retains rights that could allow it to regain an interest if circumstances change. These include rights of first offer and first refusal should De Beers decide to sell the asset, as well as an option to repurchase its former 49% interest under specified conditions before the end of 2029. (JCK)

Those provisions could become relevant if natural-diamond prices recover sufficiently to change the economics of the operation.

For now, however, De Beers will have full ownership and operational control.

The last producing diamond mine in the Northwest Territories

The transaction has significance beyond Mountain Province itself.

Gahcho Kué is currently the last producing diamond mine in Canada’s Northwest Territories following the closure of Rio Tinto’s Diavik mine and financial difficulties surrounding the Ekati operation. (JCK)

That gives the mine an outsized role in the region’s remaining diamond-production industry.

Gahcho Kué began production in 2016 as a joint venture between De Beers and Mountain Province. The original ownership structure gave De Beers 51% and Mountain Province 49%. (Mountain Province)

The mine is situated on the traditional territories of Tłįchǫ, Dene and Métis peoples, adding important community and Indigenous considerations to the future of the operation. (Mountain Province)

Mountain Province has previously highlighted the importance of relationships with communities around the mine and has participated in agreements intended to establish economic, employment, training, environmental and cultural opportunities. (Mountain Province)

What happens next?

Mountain Province now faces the task of rebuilding its financial position without its principal mine ownership interest.

The six-month standstill granted by creditors gives the company time to pursue new financing and restructure its balance sheet. Its remaining mineral portfolio includes more than 96,000 hectares of mineral claims and leases surrounding Gahcho Kué, including resources associated with the Kelvin and Faraday kimberlites. (JCK)

The company therefore retains significant exploration interests even after surrendering its 49% stake in the producing mine.

Whether those assets can eventually support a renewed growth strategy will depend in part on diamond prices, access to capital and the economics of future mine development.

What the deal says about the natural-diamond industry

The Gahcho Kué transaction illustrates how prolonged weakness in natural-diamond markets can reshape the ownership of major mining assets.

For De Beers, the transaction concentrates ownership of an important Canadian diamond operation under a single operator.

For Mountain Province, it provides immediate relief from mine-related liabilities while giving the company time to restructure and pursue new financing.

For the Northwest Territories, the future of Gahcho Kué remains important to employment, contracting, community relationships and the broader regional mining economy.

And for the global diamond industry, the transaction is another indication that producers are being forced to reconsider traditional ownership and financing structures as the market adjusts to weaker prices and changing consumer demand.

The next several months will reveal whether Mountain Province can use the restructuring period to stabilize its finances—and whether changing conditions in the natural-diamond market eventually create an opportunity for the company to return to an ownership position at Gahcho Kué.