Yes.
You can review a world map, below, showing diamond-producing countries.
The largest producer of gold is China, while the largest producer of diamonds is Russia.
Russia.
As of 2013 -- the last year for which these data are published -- Russia is number one with a contribution rate of about 22% of all diamonds mined.
Almazy Rossii-Sakha is Russia's largest producer, and it provides the South African giant De Beers with $550 million in rough diamonds per year through an agreement extended to the end of 2001.
Botswana is currently the largest African producer of diamonds.
Australia's diamond mines are major exporters of diamonds. For example, the Argyle Mine produces about eight million carats (1,600 kg) per year, and is the fourth largest diamond producing mine in the world, by volume. This is according to its Wikipedia page.
Belarus is a country landlocked below Russia in Eastern Europe. Vietnam and Bangladesh are both Asian countries. Belarus is not a major rice producer at all.
The Leading European Producer of potatoes is Russia
Asia is the largest producer of iron in the world, with countries such as China, India, and Russia being major contributors to global iron production.
Most diamonds come from Africa, although businesses also mine for diamonds in Canada and Australia.
Russia is the biggest exporter of diamonds. It may sound strange but Russia actually mines 22 percent of total diamonds in the world.
Russia has the largest diamond reserves in the world, with vast deposits located mostly in Siberia. The country is a major producer of gem-quality and industrial diamonds, accounting for a significant portion of global diamond production.