The leading producer of diamonds in Africa is "Zaire (Democratic Republic of Congo)."
Zaire is one of the richest countries in Africa in terms of natural resources. It is home to some of the largest diamond mines in the world, including the famous Mbuji-Mayi mine. The country has a long history of diamond production and has been a major producer of the precious stone since the early 20th century.
Diamonds are a major source of revenue for the country and play an important role in its economy. However, the diamond trade in Zaire has been associated with conflict and human rights abuses, with some rebel groups using the profits from diamond sales to fund their activities. Despite these challenges, the diamond industry remains an important source of income and employment for many people in Zaire.