Despite mining contributing about 6 per cent of the country's GDP, a study revealed that almost six out of 10 of young Australians know nothing at all about mining careers.
The global market for polished coloured diamonds is now dominated by Rio Tinto and Anglo American's De Beers. But state-controlled Alrosa aims to compete.
The Farnese Blue diamond, which was passed down through European royal families for about 300 years, sold Tuesday for $1.4 million more than the maximum figure experts estimated it would fetch.
Chief executive Jean Sebastien-Jacques said the challenge for the industry is to ensure the benefits from the past frugal years are not lost against a backdrop of rising oil prices and increased political risk.
Mugabe to face legislators over his previous pronouncements that the state had been deprived of at least $15 billion in diamond revenue by mining companies.