ZCCM Investments Holdings PLC Kariba Minerals is 50% owned by Gemfields plc – the world’s largest producer of coloured gemstones – in partnership with ZCCM-IH, which owns the remaining 50% of the company.ZCCM-IH is increasing and developing its foothold in other sectors such as agriculture, real estate, and alternative energy, through the diversification agenda drawn from … [Read more...] about Top 3 Exporters of Gems & Precious Metals in Zambia