Precious Stone Investment is a Sierra Leone indigenous mining company that has been in mining operation since 1996.Specifically, we are focus on mining and exporting of gold, fine white rough diamond, fancy colored rough diamond, iron ore, Bauxite, Zirconium, Platinum, Chromites,Tantalite, and good quality bonny light crude oil, and also agricultural products such as cacao and coffee.

We mine and export the best quality gold-dust, gold-bar, gold nuggets and rough diamond. Our alluvial gold is of 99.9% purity and 23 karat plus quality.Our rough uncut diamonds are of pyramid and round shape, color grading of D, E, F, G, H, VVS1 – VVS2,of fine white, blue, green, red and yellow colors. Through our reliable export agents, we export good quality large parcels of rough diamond and gold worldwide on a monthly basis, and all export is accompanied by export license and Kimberley certificate. We also export good quality bonny light crude oil.

We also assist investors interested in establishing a mining company, agricultural project or fishing company in Sierra Leone, by making the preliminary negotiation on their behalf, prepare the ground for their arrival and conducting feasibility studies to steer the project in the right direction. We also work in collaboration with other local miners to increase productivity and export.