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De Beers said that in the U.S., supermarkets are driving down lab-grown diamond jewelry prices, and the expectation is that ...
Russian diamond-mining giant Alrosa said Thursday that it mined the largest diamond in the country’s history. The 468-carat, ...
MOSCOW, May 8. /TASS/. Alrosa mined the largest gem-quality diamond in the history of the country, the Russian diamond miner said in a statement. An amber-colored crystal weighing 468.30 carats and ...