Alrosa estimates the need for initial capex in the construction of the Mir-Gluboky mine at $1.8-2 billion, according to the company's presentation at the exhibition-forum "Russia" at VDNKh. Exploration of deep horizons made it possible to increase diamond reserves at Mir by 62 million carats. Diamond production at reaching the design capacity of 2 million tons of ore may reach 5.6 million carats per year.