Rough Diamonds

have risen in demand within the international market. However, we have been able to dominate the Rough Diamonds industry by producing an output of High Volume Carat. Tona Investment Limited is a leading Manufacturer and Manufacturer of copper cathode, gold dore bars and rough diamonds. Our premises is located in Dodoma, Dodoma, Tanzania, and this helps us produce quality products at a price range Negotiable per Carat. Tona Investment Limited supplies its products to various global buyers. All our shipments are dispatched from Dodoma and are delivered within 4-5 Business Days. Once your order is delivered, we’ll always be connected with you. That means, in case you face any problems in operating our products, you may contact our representatives and ask for their assistance.