Not cheap. Angola is one of the largest diamond producers in the world, but the price of Angolan diamonds is not cheap. Although Angola's diamond production is very high, most of them are industrial diamonds, and the quality is not high, so the price is relatively low. And high-quality diamonds are often expensive. Angola is located in the southwest of Africa, bordering Congo and Democratic Republic of Congo in the north, Zambia in the east, Namibia in the south and Atlantic Ocean in the west, with a total coastline of1.650km..