Industrial diamond mine production by major countries 2014-2019

In 2019, Russian mines produced approximately 19 million carats of diamonds, making it the world's largest natural industrial diamond producer that year.

What are industrial diamonds?

Industrial diamonds are diamonds that are valued for their extreme level of hardness, but which have either many flaws or irregular shapes and therefore are not aesthetically valuable. For this reason, they are used for industrial purposes. They usually have many flaws and have an irregular shape. Overall, industrial diamonds have a low value as gems, but they are important in the mining and metalworking industries. They are used for cutting materials as well as polishing other materials including diamonds. They are also sometimes used for drill bits, saws, and as an abrasive.

Comparative diamond production volumes

The production volume of industrial synthetic/lab grown diamonds worldwide has stayed about the same since 2007. In 2016, the global production of industrial diamonds was about 4.41 billion carats. The production of natural diamonds is expected to remain the same from 2015 to 2025, at around 100 million carats. For synthetic industrial diamond production, a forecasted five billion carats is expected in 2025. The largest diamond producing country in 2018 was Russia, and secondly Australia. In that year Australia produced about 17 million carats of diamonds. The total global production of rough diamonds amounted to 142 million carats in 2019.

Major countries in worldwide industrial diamond mine production from 2014 to 2019 (in million carats)*

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Release date

February 2020



Survey time period

2014 to 2019

Supplementary notes

* Natural industrial diamonds only. Note that synthetic diamond production far exceeds natural industrial diamond output. Worldwide production of manufactured industrial diamond totaled at least 14.6 billion carats in 2019; the leading producers included China, France, Ireland, Japan, Russia, South Africa, Sweden, and the United States.
** Estimated.
This statistic was assembled using several editions of the report.

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