Global diamond producer De Beers has announced a temporary two-year suspension of production at its flagship Venetia Mine in South Africa, citing prolonged weakness in global diamond demand and the need to optimize operations.

The Venetia Mine, which contributes more than 40% of South Africa’s diamond production and supports a workforce of over 4,000 employees, will undergo infrastructure upgrades during the suspension period. The company said the pause will enable it to enhance operational efficiency and expand production capacity, positioning the mine for a stronger restart when market conditions improve.

The decision comes as the natural diamond industry continues to face significant headwinds, including declining consumer demand, particularly in China, and intensifying competition from lower-priced lab-grown diamonds. These market dynamics have weighed heavily on diamond prices and profitability across the sector.

De Beers stated that the temporary closure forms part of a broader strategy to reduce costs, streamline operations, and strengthen long-term competitiveness in a challenging business environment.

The announcement also highlights broader concerns for South Africa’s mining industry, a key contributor to the country’s economy and employment. Industry observers note that mining unions have previously expressed concerns over potential job losses as companies adjust to changing market conditions.

Despite the current market challenges, De Beers reaffirmed its long-term commitment to the natural diamond industry, emphasizing that the infrastructure investments at Venetia are intended to ensure the mine is well-positioned to resume production efficiently when global demand recovers.