Each of the independent diamond producers was allocated a quota by the Central Selling Organization.

The district is the largest diamond producer in Sierra Leone.

Kono District is the largest diamond producer in Sierra Leone.

It calls Botswana "the Western world's most important diamond producer."

South Africa became the favored center for diamond resources, and quickly rose as the world's biggest diamond producer.

Indeed Botswana was the leading global diamond producer by value and second only to the Russian Federation in terms of volume.

Botswana, the world's largest diamond producer, is one of the most stable and prosperous countries in Africa.

Botswana is now the world's largest gem-quality diamond producer.

It has catapulted Australia, which never used to produce diamonds, to the title of biggest diamond producer in the world, measured by volume.

The agreement calls for a $1 billion loan to the Soviets, the largest ever granted by a De Beers concern to a diamond producer.