Lucara Diamond Corp. has reported the results of a preliminary economic assessment (PEA) of development of an underground mine at its Karowe diamond mining operations in Botswana. The PEA assumes that underground operations will be initiated after completion of the current open-pit mine, currently planned for 2026. Kimberlite production from underground mining will be processed at the existing Karowe processing plant over a 10-year period following the depletion of the open-pit operations.

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