2019


Seeding a synthetic diamond. Credit: Lightbox Jewelry.

A diamond by any other name?

When Signet Jewelers’ (NYSE: SIG) e-commerce subsidiary James Allen began offering man-made diamonds in May, the company added an additional search tab to the site: “earth-created diamonds” or “lab-created diamonds.”…


Bulk sample at Star

Rio Tinto uses novel technology to test Star

In early June, Rio Tinto (NYSE: RIO; LSE: RIO) began a planned bulk sample program at Star Diamond’s (TSX: DIAM) Star-Orion South diamond project, 60 km east of Prince Albert,…






Gahcho Kué delivers fancies, large stones

Partners Mountain Province Diamonds (TSX: MPVD; NASDAQ: MPVD) and De Beers seem to be finding their stride at the Gahcho Kué mine, in the Northwest Territories. Mountain Province owns a…


Japan Gold drills Ohra–Takamine project

Japan closed all 76 of its gold mines during World War II, and reallocated personnel to base metal mines and factories. After the war, it only reopened 12 of the…


Jean Marc Lieberherr

DPA battles diamond mining misconceptions

Jean-Marc Lieberherr readily concedes that the industry he represents and speaks for – global diamond mining – has an image problem. “There are so many misconceptions about diamond mining,” says…




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