As One N.W.T. Diamond Mine Shuts Down, These Workers Want to Stay in the North – by Devon Tredinnick (CBC News North – March 26, 2026)

Key Takeaways

• Diavik mine produced >150M carats over decades
• Peak employment exceeded 1,000 workers at Diavik
• Closure spurs calls for new northern mining projects
• Many staff, like Sinclair, intend to remain in NWT
• Infrastructure upgrades seen as catalyst for regional growth

Summary

Rio Tinto’s Diavik diamond mine in the Northwest Territories officially shut down after decades of operation, having extracted more than 150 million carats of diamonds. At its height the mine employed over 1,000 workers, many of whom settled in the region. Closure manager Sean Sinclair, a long‑time employee, says he and his wife plan to stay in the North despite the mine’s closure. The shutdown is prompting calls for new mining and infrastructure projects to sustain the local economy.

Pulse Analysis

The Diavik diamond mine’s final shutdown marks the end of an era for the Northwest Territories, a region that has relied on the mine’s output and tax contributions for decades. While the remediation phase will address environmental concerns, the economic vacuum left by the loss of a $1 billion‑plus operation cannot be ignored. Stakeholders are already weighing how to repurpose the site’s infrastructure, from power lines to transport corridors, to attract the next wave of extractive ventures.

Beyond the balance sheet, the human element is equally critical. Workers like Sean Sinclair, who transitioned from graduate student to closure manager, illustrate a growing cohort of skilled professionals who have built lives in the North. Their desire to stay underscores a labor market paradox: a remote area rich in expertise yet facing limited employment options. Retaining this talent pool could lower recruitment costs for future projects and provide a ready-made workforce for emerging industries such as renewable energy or critical minerals processing.

Policy makers and investors are now eyeing infrastructure as the linchpin for economic resilience. Upgraded roads, reliable broadband, and expanded power capacity can lower the logistical barriers that have historically deterred new mining initiatives. Federal and territorial incentives aimed at sustainable development could further catalyze private investment, turning the closure into a springboard for diversified growth that balances economic ambition with environmental stewardship.