April 30, 2013 Australia’s Argyle diamond mine opens underground operations Mine life will be extended until 2020 at minimum.
April 30, 2013 Rio Tinto considers selling its diamond mines The company's gemstone mines are estimated to be worth $2.2 billion.
April 30, 2013 Blue diamond ring sale sets new world record Gem sold for a whopping $1.8 million per carat.
April 29, 2013 Chasing the carat: The Friedlands go diamond-hunting Part 2 picks up the story when several key Ashton executives and employees moved on to Peregrine Diamonds.
April 29, 2013 The ‘now or never moment’ for private equity in mining "Interest from private equity in sector is the highest I have ever seen"
April 25, 2013 Gemesis produces world’s largest lab-created diamond The gem offers the same quality, colour and clarity as a mined diamond.
April 24, 2013 Gem Diamonds first-quarter production falls The company said first-quarter production fell about 38% from the preceding quarter, citing a decline in the amount and grade of ore it mined.
April 21, 2013 INFOGRAPHIC: Five biggest diamond heists in 10 years The five capers that made off with millions of dollars in stolen goods.
How a reclusive ex-Glencore trader became Indonesia’s nickel king Arif Kurniawan has gone from earning paychecks at Glencore to controlling approximately a third of his country’s domestic trade in nickel ore. December 28, 2025 | 03:25 pm