The gem, which has very good appearance and no visible points or inclusions, will be sold by the company with cut and polished, teh compnay said.

Separately, the company is negotiating with potential partners for the sale of aggregate products derived from its high-quality, abundant sand.

The aggregate sand products include materials used in construction, such as mortar and the company intends to generate positive cash flows due to lower operating costs and relatively strong demand.

Brazil Minerals plans to reduce diesel use gradually in the plant processing for diamonds and gold by implementing several means.

The company owns 100% of Mineração Duas Barras (MDB), a Brazilian producer and seller of polished and rough diamonds, gold bars, and industrial-use sand.

MDB also operates a fully-operational mining concession with the largest alluvial processing plant for diamonds and gold in Latin America, and has export permit to its production.