The diamonds to be sold by Vutomi, in which Botswana Diamonds holds a 40% interest, are expected to generate short-term cash flow to further develop he Thorny River project.
The international group says sales of polished diamonds below 0.50 carats are slow due to excess supply, weak Chinese demand and tight Indian liquidity.
Two ministers met with captains from the Indigenous tribe, however, activists say their complaints against the environmental and social impacts of the Orinoco Mining Arc tend to fall on deaf ears.
The new government intends to look into establishing a mining tax and analyzing the possibility of taxing capital gains from the sale of mining rights.