Exceptionally rare with a unique vivid blue colour caused by trace amounts of boron. The Oppenheimer Blue, a 14.62-carat ...

When someone says “gemstone,” diamonds and rubies probably pop into your head first. There’s no denying that they’re ...

When Simon Trott’s parents installed air conditioning in their shearing sheds, their son learnt how to get the best out of ...

Major opal producing regions include Coober Pedy, Lightning Ridge, Andamooka, and Winton. The significance of the opal deposits of Australia was formally recognised in 1993 when opal became the ...

(IDEX Online) - Rio Tinto has reported an increase in first-half sales at its Diavaik diamond mine, in Canada, and said it ...

Sophia Hirsh of Hirsh London gives expert advice on investing in colour gemstones and reveals some lesser known winners.

Burgundy Diamond Mines laid off “several hundred” workers after halting part of its Ekati operations in northern Canada. Find out more.

Burgundy Diamond Mines says it’s laid off some of its employees and contractors and has temporarily stopped open pit mining at Point Lake — one of its two active operations at the Ekati ...

The livelihoods of hundreds of miners at Lesotho's largest diamond mine, Letšeng Diamonds, are at risk as the company implements "cost-saving measures".

Burgundy Diamond Mines (ASX: BDM), owner of the Ekati diamond mine in Canada’s Northwest Territories, halted trading of its shares on the Australian Securities Exchange on Wednesday, fuelling ...

As consumers have grown less worried about whether their diamonds are mined or made, many have turned to cost-friendly lab grown diamonds. And that’s having a big impact on the diamond mining ...

TORONTO (Reuters) -Australian miner Burgundy Diamond Mines laid off several hundred employees and contractors and suspended operations at its Point Lake diamond mine in Canada due to record-low ...