Firestone Diamonds plc is a United Kingdom-based company, which is engaged in diamond mining, exploration and development in southern Africa. The Company focuses on two principal geographic areas: Lesotho and Botswana. The Company's segments include Lesotho, Botswana, and United Kingdom and other. The Company has two mines, Liqhobong in Lesotho where construction of the Liqhobong Mine Development Project is nearing completion and BK11 in Botswana, which remains on care and maintenance. The Liqhobong Diamond Mine is located at the head of the Liqhobong Valley in the Maluti Mountains of northern Lesotho and is operated by Liqhobong Mining Development Company. The Liqhobong has over 11 million carats in reserve. The Company holds interest in the Lahtojoki project in Finland. Its subsidiaries include Firestone Diamonds (Botswana) (Pty) Limited, Liqhobong Mining Development Company (Pty) Limited, Monak Ventures (Pty) Limited and Ilmari Exploration OY.