The Diavik Diamond Mine in Canada has unearthed a stunning 158.20-carat yellow diamond, a remarkable find that coincides with the closure of the mine after two decades of operation. This discovery, made in April 2026, shortly after the mine ceased production, represents one of only five diamonds of such size ever recovered at the site.
Rare Geological Find
According to the Gem and Jewellery Export Promotion Council (GJEPC), the 158.20-carat yellow gem is an exceptional addition to Diavik's output, which has primarily consisted of high-quality white diamonds. Yellow diamonds account for less than 1% of the mine's total historical production. This recovery is the fifth time a yellow stone exceeding 100 carats has been unearthed at the facility, highlighting the rare geological conditions of the kimberlite pipes beneath Lac de Gras, located approximately 200 kilometers north of the Arctic Circle in the Northwest Territories.
A Legacy of Arctic Mining
Since commercial production began in 2003, Diavik operated as a joint venture and became one of North America's most productive mining operations. By the time it ceased production in April 2026, the mine had extracted over 150 million carats of diamonds. The operation is noted for its engineering resilience in the sub-Arctic, utilizing complex water-management dikes and integrated wind-diesel power systems. This yellow diamond symbolizes the success of the operation, representing both the innovations of modern Arctic scientific design and modern-day partnerships in natural resource management, while celebrating a transformative period for the global diamond industry.
Indigenous Partnerships in Site Restoration
Following the end of extraction, the site is now in a formal closure and reclamation phase, expected to continue until at least 2029. This process is governed by a closure plan developed in consultation with local Indigenous stakeholders and regulatory bodies to ensure the land is returned to a self-sustaining ecosystem. The Diavik mine has played a major role in Northern Canada's industrial economy, and its legacy includes not only the diamonds it produced but also the collaborative efforts in environmental stewardship.
