ALROSA-Nyurba OAO (Alrosa-Nyurba OJSC) is a Russia-based company, which is involved in the exploration and extraction of diamonds. The Company specializes in the search and reconnaissance of diamonds deposit, geological and geological-economic surveys, testing-industrial works, mine construction and diamonds extraction and distribution. ALROSA-Nyurba OAO is active on the domestic market, mainly in Sakha Republic and operates through one subsidiary and two affiliated companies. As of February 22, 2012, the Company�s major shareholder was AK ALROSA OAO with a stake of 87.48%.