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E-TEK assisted Letšeng Diamond Mine with the development and updates of:
• Rehabilitation and Mine Closure Plans (including Closure Risk Assessments)
• End Land Use Plan
• Annual Closure liability estimates
1
Operations
12
Years Involved
The Letšeng mine is located in the Maluti Mountains of Lesotho and is renowned for its recovery of large, high quality, exceptional Type II diamonds.
Among these diamonds recovered are the 910 carat “Lesotho Legend”, the 603 carat “Lesotho Promise”, the 550 carat “Letšeng Star” and the 493 carat “Letšeng Legacy”.
Letšeng has also produced high-quality pink and blue diamonds, with a rare blue diamond achieving a sales price of US$603 047 per carat in 2013 and an exceptional pink diamond achieving US$656 934 per carat in 2019.
Letšeng ranks in the top 10 global diamond producers by revenue. The large high value greater than 100 carat diamonds from Letšeng account for 70% to 80% of the Group’s revenue annually.
Letšeng has grown to be one of the largest open pit diamond mines in the world, processing ore from two kimberlite pipes, the Main pipe 17.0ha and the Satellite pipe 5.2ha.
For more information, refer to the website for Letšeng Diamond Mine here.
