The Letseng Diamond Mine is located in the mountainous region of Lesotho, a small country in southern Africa. It is known for producing some of the world's highest-quality diamonds, including large and rare stones. The mine operates at an elevation of about 3,100 meters, making it one of the highest diamond mines globally. Opened in 2004, the Letseng Diamond Mine is a significant contributor to the local economy, providing jobs and supporting community development. The mine is operated by Gem Diamonds, which focuses on sustainable practices and environmental responsibility in its operations.