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ALROSA to revise output plan at its International underground mine due to stricter health and safety policy

ALROSA's management decided to revise output plan at its International underground mine as the company toughens its approach to health and safety management, though its 2018 production plan remains unchanged.

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Lucara rakes in $32.5 mln from exceptional stone tender

Lucara Diamond said it earned $32.5 million from 1,453.06 carats, included two diamonds greater than 300 carats, sold at its 12th exceptional stone tender.

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Gem Diamonds pays out $18.3 mln to Botswana, Lesotho gvts

Gem Diamonds said it paid $18.3 million to Botswana and Lesotho governments for diamond mining activities in the financial year ended December 31, 2017.

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ZCDC pacifies angry Marange community with $5 mln diamond cash

The state-owned Zimbabwe Consolidated Diamond Company (ZCDC) has handed over $5 million to the Marange-Zimunya Community Share Trust, according to local news reports.

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Trans Hex projects increase in FY loss

Trans Hex, which will release its results on Thursday, is set to report a loss per share of 175.6 cents for the financial year ended March 31 compared to a loss per share of 173.5 cents in the previous corresponding period, representing an increase in...

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Has GIA Invented the Synthetic Diamond “Black Box”?

21 april 2017
(jckonline.com) - At last year’s forum on undisclosed lab-grown diamonds, Gemological Institute of America chief laboratory and research officer Tom Moses noted that jewelers have long yearned for an easy-to-use, synthetic-sniffing “black box” that costs $99 and fits on a countertop. Last week GIA announced a device which, while not filling those exact criteria, comes pretty close.

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