Mapping the gemstone mining hotspots
· Mapping the gemstone mining hotspots. 21 May 2018 (Last Updated January 27th, 2020 12:58) The gemstone market value is 23bn and growing, as investors increasingly look to precious stone alternatives to the overinflated price of diamonds. To find out which gemstones are the most sought after and from where, Molly Lempriere maps the hotspots of ...