Diamond Mining News

India's biggest holiday boosts De Beers rough diamond sales

The diamond giant said customers began buying rough diamond earlier than usual so they can complete their polishing before Diwali begins.

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

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 provenance and the diamond ties that bind Australia and the US.

Rio Tinto unveils its largest red diamond

The Argyle Everglow is a 2.11 carat polished radiant cut diamond

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 had originally projected for the year.

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.

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.

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.

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

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

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.

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.

Botswana Diamonds jumps on prospecting licence expansion

Vutomi licences were extended into additional area of mineralization adjacent to the firm’s Frischgewaagt project in South Africa.

Anton Siluanov elected as Chairman of ALROSA Supervisory Board

Members of ALROSA Supervisory Board voted to approve Anton Siluanov, Minister of Finance of the Russian Federation, as Chairman of the Supervisory Board.

Botswana Diamonds soars on lucky find at South Africa’s Ontevreden

The company identified a group 2 kimberlite pipe in an area known by its high-grade diamonds.

Diamond Services reports a lowering threshold for synthetic diamonds, as man-made stones as small as 0.0025 cts. discovered in New York

Multiple single-cut diamonds, sized from a quarter point to half a point (0.0025-0.005 carats), which were contained in jewellery recently submitted for testing to a Diamond Services laboratory, have been found to be synthetic, greatly expanding the range of goods that can be considered at risk of improper and deceptive disclosure.

Alrosa has sold $2.5 billion in diamonds so far this year

The world's largest diamond producer by output said market has refound its balance.

Private capital says no to mining

Study shows Q2 2017 new private capital for natural resources investment dropped to lowest since 2011 and not a single mining fund were able to raise money.

Argyle diamond coin trilogy sold within a month

Rio's sale of The Australian Trilogy, an AUD$1.8 million one-of-a-kind coin collection featuring a pink, purple pink and violet diamond from the Argyle Diamond Mine, sold out in a month.

Another huge diamond unearthed in Lesotho mine

The 126-carat is the latest in a string of major discoveries Gem Diamonds have made at Letšeng this year.

Top 50 mining companies reshuffle as Chinese, lithium firms climb rankings

Combined worth of 50 largest mining companies grow to $768 billion during first half of 2017, but a few big names drop down rankings.

A diamond player with discovery, development potential

The November 1991 discovery of diamonds in the Northwest Territories by Chuck Fipke and Stu Blusson put Canada on the global diamond map.

60% of ALROSA's investments are used for diamond mining development – Sergey Ivanov

In 2016, ALROSA's investments in underground mines and other core production facilities amounted to RUB 16.5 billion or 60% of the Company's total capital investments.

Tanzania laws would allow govt to tear up mining, energy deals

The Tanzanian government submitted three bills to parliament on Thursday that would allow it to force mining and energy companies to renegotiate their contracts.

Botswana's Debswana to extend Jwaneng diamond mine life beyond 2024

The firm, a joint venture between De Beers and the southern Africa country's government, plans to extend the lifespan of its Jwaneng mine beyond 2024.

Petra Diamonds warns output to fall short, shares crash

The company, which owns the Cullinan mine that has produced the two largest diamonds in the British Crown Jewels, said output and revenue will be lower than market expectations.