资讯
资讯
Gem Diamonds recovers 125-carat
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'The Rock', a record-setting white diamond, goes up for auction
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De Beers goes back into Angola after the country radically improves its investment legislation
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BLUEROCK SOLD FOUR HIGH-VALUE DIAMONDS IN MARCH TENDER
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Alluvial Mining: Gold, Diamonds and Platinum
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Petra to expand it two main mines in South Africa
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Lucapa Predicts $1B in Revenue from Merlin Mine
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High-Value Recoveries Buoy Petra Sales
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