Internationalnaya diamond mine
Mirninsky District, Russia · built 1971
The Internationalnaya mine (́, [ɪntɛrnət͡sɨɐˈnalʲnəɪ̯ə], lit. 'International') is one of the largest diamond mines in Russia and in the world. The mine is located in the north-eastern part of the country in the Sakha Republic. The mine has estimated reserves of 61.9 million carats of diamonds and an annual production capacity of 5.9 million carats.
Mine data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).