Koidu Holdings S.A. is a diamond mining company with kimberlite projects located in the diamond fields of eastern Sierra Leone.
Mining LeasesThe Koidu Kimberlite Project, located within the Tankoro Chiefdom of the Kono District, measures approximately 4.9 km2 and hosts two small kimberlite pipes, No. 1 Pipe ("K1") and No. 2 Pipe ("K2"), and four kimberlite dyke zones, along which four small blows or enlargements have been discovered.
The Tonguma Project is located approximately 68 km south of Koidu, in the Lower Bambara Chiefdom, Kenema District, in the Eastern Province. The mining lease measures approximately 142.07 km2 and contains several narrow kimberlite dyke zones.