mining
5,655-Carat Emerald !
London—Gemfields recovered a 5,655-carat rough emerald from its Kagem mine in Zambia earlier this month, the color...
177-Carat Diamond Among the ‘Stars of the Arctic’...
London—The Diavik Diamond Mine in Canada has yielded three sizable rough diamonds—including one very rare yellow—a...
5 Things to Know About … Ethiopian Emeralds
April 27, 2017
It’s always kind of exciting when a new source for gemstones pops up and everyone starts wonderi...