Massive emerald cluster sets new record at Gemfields auction

Africa-focused Gemfields (LON: GEM) (JSE: GML) racked up $30.8 million in revenue from its latest emerald action, which included a massive cluster of emeralds weighing 187,775 carats (37,555 grams). The Kafubu Cluster, discovered at its Kagem mine in Zambia in March 2020, set a...