RAPAPORT... Gemfields will sell a cluster containing 187,775 carats of emeralds at an upcoming rough tender, expecting it to garner a company record price for a single emerald piece.The miner recovered the Kafubu Cluster in March 2020, it said Wednesday. It is named for the river that forms the natural boundary of its Kagem emerald mine in Zambia. The mass contains only a very small amount of ore ...
