Mine Restart for Diamond in Global
Reopening of profitable diamond mines in 2021 that had been suspended in 2020 contributed to a slight increase in world production.
Diamond production
Diamonds are a mineral commodity formed deep within the Earth's mantle under extreme heat and pressure conditions. They can be produced through two primary methods: mining kimberlite pipes or extracting them from alluvial deposits. Kimberlite pipes bring diamonds to the surface through volcanic eruptions, while alluvial deposits involve diamonds that have eroded from their original sources and been transported by rivers and streams. Over 70% of the world's diamonds come from alluvial deposits. The majority of mined...
Diamonds are a mineral commodity formed deep within the Earth's mantle under extreme heat and pressure conditions. They can be produced through two primary methods: mining kimberlite pipes or extracting them from alluvial deposits.
Kimberlite pipes bring diamonds to the surface through volcanic eruptions, while alluvial deposits involve diamonds that have eroded from their original sources and been transported by rivers and streams. Over 70% of the world's diamonds come from alluvial deposits.
The majority of mined diamonds are used in the jewelry industry, where they are cut, polished, and set into various pieces such as engagement rings and earrings. They also have industrial applications due to their exceptional hardness, particularly in cutting, drilling, and grinding tools. Producing mined diamonds is a costly process requiring significant investment in exploration, mining equipment, and infrastructure.
Country production pages
Market intelligence
Reopening of profitable diamond mines in 2021 that had been suspended in 2020 contributed to a slight increase in world production.
Temporary closures of diamond mines worldwide due to COVID‑19 lockdowns and restrictions reduced global production in 2020.
New online sales platforms for rough diamonds were established in 2020 to overcome travel restrictions and improve market access.
Scio Diamond was sold to Adamas One Corp in 2019, transferring ownership of U.S. synthetic diamond production.
De Beers closed Voorspoed mine, reducing South African diamond operations.
ALROSA commissioned the Verkhne‑Munskoe field, expanding Russia’s diamond production capacity.
Renard mine completed its ramp‑up, increasing Canadian diamond supply.
Jwaneng mine conducted feasibility studies for the Cut 9 expansion, aiming to add 50 million carats and extend mine life.
Liqhobong mine reached first full commercial production year, boosting Lesotho’s diamond output.
Gahcho Kué mine began commercial production, adding a new source of Canadian diamond output.
Scio Diamond shut down its synthetic diamond production facility in 2016, curtailing U.S. synthetic diamond supply.
Merlin Mine commenced production, adding diamond capacity in Australia.
Mobilong Diamond Mine started operation, boosting diamond output in Cameroon.
Grib Pipe Mine began production, expanding diamond output in Russia.
Saxendrift Mine began production, increasing diamond supply in South Africa.
Russia privatized 16% of ALROSA via IPO, altering ownership structure of diamond company.
Dominion Diamond Corp. acquired 80% stake in Ekati Diamond Mine, shifting ownership of Canadian diamond asset.
Rio Tinto opened its Argyle underground diamond mine, extending life of the operation in Australia.
Central African Republic temporarily suspended diamond exports/imports, restricting supply to global market.
Côte d'Ivoire under UN sanctions, halted diamond trade, limiting market access.
Venezuela voluntarily suspended diamond trade, reducing supply to international buyers.
Scio Diamond Technology Corp. expanded synthetic diamond production, raising U.S. output.
Scio Diamond acquired Apollo Diamond’s diamond‑growing patents in 2011, consolidating U.S. synthetic diamond technology.
Vaaldiam Mining Inc. started production at the Duas Barras alluvial operation, launching a new diamond mine.
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