Diamond Top Stories

Top miners back autonomous systems guidelines

The document divides operations into six levels, from zero (entirely manual) to five (fully autonomous), and assists in the preparation of a business case for autonomous mining, depending on level and needs.

Cecilia Jamasmie | April 24, 2019 | 8:55 am

De Beers expands pilot scheme in Sierra Leone to sell ethically sourced diamonds

Decision was made to give more artisanal and small-scale miners…

Cecilia Jamasmie | April 24, 2019 | 7:00 am

Alrosa recovers large diamond from International pipe

The 118.91-carat stone is the largest recovered at the site…

MINING.COM Staff Writer | April 24, 2019 | 6:55 am

Graff creates 302-carat emerald cut stone from 1,109-carat Lesedi La Rona

Graff has now created a 302.37-ct square emerald cut diamond…

Canadian Mining Journal Staff | April 23, 2019 | 2:03 pm

Rio finds one of its largest white diamonds ever at Argyle mine

The 28-carat diamond, named Argyle Octavia, will be auctioned in…

Cecilia Jamasmie | April 23, 2019 | 5:09 am

Diamond found at Arkansas Park expected to fetch $1 million

The Esperanza Diamond, believed to be the most valuable precious rock ever discovered in the U.S., is now set into a custom-designed pendant.

Cecilia Jamasmie | January 8, 2016 | 9:45 am

Political risk seen on the rise in these key mining markets

Major commodity-producing countries are set to remain under intense finance strain in 2016, which will increase the risk of social unrest, says Verisk Maplecroft.

Cecilia Jamasmie | January 8, 2016 | 3:16 am

This is the recently found largest blue star sapphire ever, and it’s worth $100M

The massive gem, named the “The Star of Adam”, could sell for up to $175 million.

Cecilia Jamasmie | January 7, 2016 | 3:15 am

The world’s 10 coldest mines

With temperatures that can drop to nearly -50°C, these mines offer some of the most challenging working conditions in the world.

Frik Els | January 4, 2016 | 10:17 am

Dominion Diamond shareholders revolt, call for changes

Investors have publicly called on the company’s independent directors to deal with the “misguided policies and missed opportunities” that have hurt their investment.

Cecilia Jamasmie | December 30, 2015 | 7:50 am

Warm weather threatens vital ice road for Canada’s remote diamond mines

Unseasonably warm weather has set back ice formation on one of Canada's most unique ice road.

Reuters | December 29, 2015 | 1:19 am

The world’s largest black diamond can now be seen in Dubai

The gem, insured for $37 million, was flown to promote the reopening of a Karloff Paris boutique.

Cecilia Jamasmie | December 28, 2015 | 1:10 am

The Swazi king, his New York hip hop jeweler and a $263 million mining deal

New York’s King of Bling has reportedly scored a $263 million gold-mining deal with Africa’s last remaining absolute monarch, a real king—what […]

Quartz | December 27, 2015 | 8:33 am

Why CSR makes sense for communities, companies and investors

Mining executives tell The Gold Report that the most effective corporate social responsibility programs (CSR) are orchestrated cooperatively instead of applied prescriptively.

The Gold Report | December 23, 2015 | 10:43 pm

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