Diamond Mining News

Petra Diamonds' shares sparkle as its solves labour disputes in South Africa

Company reached wage agreement with the main union at two of its mines in South Africa. Workers will return to work on Friday.

World’s ‘most beautiful diamond’ to go under Christie's hammer

Discovered in February last year in eastern Angola, the 404.20-carat rough diamond was also the largest found so far in the southern African country.

How iron carbonates help form diamonds

Scientists say that under the peculiar conditions present deep in the Earth's mantle, iron carbonates can play a role in forming diamonds.

De Beers laying the foundations for gender equality

Katie Fergusson: "As Head of Social Impact, I feel privileged to be leading De Beers Group’s work on women and girls empowerment, including on diversity and inclusion."

Petra jumps on Tanzania letting it resume diamond exports

Stock closed 12.2% higher at 64.80p, after it had fallen on Tuesday to its lowest since late 2015.

Lucara sells world's second-largest diamond for $53 million

London-based Graff Diamonds paid nearly $47,777 per carat

Brazil’s president revokes decree allowing mining in Amazon

It would have opened up for mining a vast national reserve in the country’s Amazon, larger than the size of Switzerland.

Investors wary as Tanzania moves to assert more control over mines

New laws and a crackdown on mining firms in Tanzania has slowed fresh investment in what has long been seen as one of Africa's brightest mining prospects

Stellar Diamonds pays for the Tongo environmental licence

Stellar Diamonds plc, the London listed diamond development company focused on West Africa, announces that it has paid US$150,240 to the Sierra Leone Environmental Agency for the Tongo Environmental Licence.

Alrosa finds gigantic pink diamond, likely its most expensive one

Alrosa is currently trying to decide on whether to sell the 27.85-carat rock as a rough diamond, or cut and polish it.

South African workers union to strike at Petra Diamonds' Koffiefontein mine

The National Union of Mineworkers said on Thursday its members would go on an indefinite strike at the mine over wages, benefits.

Indian billionaire Agarwal to be Anglo American’s top shareholder

He intends to buy as much as 1.5 billion pounds (about$2 billion) worth of additional Anglo American shares.

De Beers partners with UN to empower women in its diamond producing countries

It will invest US$3 million to advance the prospects of women and girls by addressing key priority areas.

Tanzania orders wall built around tanzanite mines, purchases of stones

President John Magufuli also directed the central bank to buy the precious stone to boost reserves — the latest twist in a spat with mining firms over alleged tax evasion.

Washington buys Dominion Diamond for $1.2bn as investors ok sale

Transaction gives the US-based buyer full ownership of Canada’s Ekati diamond mine and a 40% stake in Diavik, which is operated by Rio Tinto.

Stellar Diamonds seeks to fund first post-Ebola mine in Sierra Leone

The operation would be second biggest diamond mine in Sierra Leone.

IIDGR announces four new diamond grading partnerships in Asia

The International Institute of Diamond Grading & Research, part of De Beers Group, has established four new diamond grading partnerships with leading diamond jewellery retailers in Thailand, Vietnam and China.

South Africa labour disputes drag Petra Diamonds shares down

Shares in the diamond miner fell for a second consecutive day after it warned that two of its South african mines had been affected by strikes.

Gem Diamonds finds another huge diamond at Lesotho mine

Finding follows the recovery of five other diamonds of over 100 carats so far this year at the company's flagship Letšeng mine, in Lesotho.

Canadian miners increase efforts to prevent child and forced labour in the supply chain

Initiative seeks contributing to global efforts in preventing the use of child and forced labour in the mining supply chain, and to providing information needed to demonstrate the responsible sourcing of minerals and metals.

Petra Diamonds may breach debt covenants on troubles in Tanzania

The Africa-focused diamond miner said that would likely happen unless it solves its issues with the government of Tanzania.

Botswana seeks option to buy unusually big diamonds from its mines

Draft bill gives government first option to buy unusually large diamonds found in the country's mines, such as the world's second-biggest 1,109 carat diamond discovered by Lucara two years ago.

Rio Tinto's chief financial officer Chris Lynch to retire in 2018

He joined the company's board in September 2011 and was appointed chief financial officer in April 2013.

Evolving role and perception of women in society creating new sources of diamond jewellery demand

New research published today by De Beers Group in its latest Diamond Insight Report reveals that shifting relationship dynamics, women’s expanding roles in society and changing perceptions of femininity are creating new motivations for diamond jewellery acquisitions.

Rio Tinto showcases its largest red diamond in Asia

Rio Tinto’s iconic Argyle Pink Diamonds Tender is being showcased to connoisseurs and collectors from across Asia in Hong Kong.