July 31, 2017

Scientists find evidence for the formation of thinnest possible diamond

The researchers say the realization of a stable and atomically thick two-dimensional diamond material is still forthcoming

July 31, 2017

Origins of Argyle necklace debuts in New York

Rio Tinto’s famed champagne and cognac diamonds from its Argyle diamond mine have been showcased in a signature piece of jewellery in New York, in celebration of their unique Australian…

July 27, 2017

Rio Tinto unveils its largest red diamond

The Argyle Everglow is a 2.11 carat polished radiant cut diamond

July 25, 2017

Caterpillar earnings beat estimates, shares hit five-year high

It now expects adjusted earnings per share to come in at $5, significantly higher than the $3.75 it had forecast just three months ago and almost doubled the $2.90 it…

July 25, 2017

South Africa labour disputes weigh on Petra Diamonds results

Labour disputes earlier in the year caused delays in the building of a new plant in its Cullinan mine in South Africa.

July 24, 2017

World’s top diamond miner Alrosa output up 14% in first half of 2017

The Aikhal division accounted for more than a third of the company’s total output in the period, having extracted 6.9-million carats of rough diamonds – a 26% year-on-year increase.

July 19, 2017

What happened to rough diamond prices over the last 10 years – report

Independent diamond industry analyst and consultant Paul Zimnisky has published a report on global rough diamond prices in the 10 years since the global financial crisis.

July 19, 2017

The world’s largest diamond miner just found two massive rocks

Both rocks, said ALrosa, are believed to be gem-quality.

July 17, 2017

World’s second-largest diamond ‘too big’ to sell

Lucara Diamond’s Lesedi La Rona is said to face challenges other rock never do, including its multi-million-dollar price tag and a risky polishing process that can take months or years.

July 17, 2017

Washington Companies buys Dominion Diamond for $1.2 billion

The US company plans to operate Dominion as a standalone business, appointing a new chief executive based in Canada.