[4] In June 2022, Angola seized a stake in the nation’s biggest diamond miner, giving it majority control of Catoca.

According to the source, the sales reached 7,050,521 carats (1,410.1042 kg), at the average rate of US$62.23, a volume that represented about 78 percent of the amount sold by the diamond companies around the country.

The note states that as a result of the processing of the ore, the company obtained a total of 7.5 million carats that permitted it to establish the operational cost.

[9] After the DRC announced it would pursue monetary damages, the state-controlled miner MIBA signed a diamond mining partnership agreement with Alrosa, but did not mention the recent leak.

[12] Satellite imaging collected by the European Space Agency's Sentinel-2 was able to infer the extent of the impact on water quality by observing the change in the river's color.