Sierra Leone Mining News

De Beers tracks first 100 diamonds through supply chain using blockchain

The world’s largest rough diamond producer by value will launch the tracking platform later this year, making it available to the whole industry.

De Beers launches Sierra Leone-based pilot to remove ‘conflict diamonds’ from the market

The world’s top diamond miner will train artisanal and small-scale miners and provide them with tablets as well as a diamond “toolkit” to digitally track their stones throughout the supply chain.

Newfield acquires Stellar Diamonds for $23.6 million

Under the deal, Newfield will lend Stellar $3 million to help it over its immediate short-term cash needs, while undertaking a right issue to raise A$30 million (roughly $23.6m) to re-finance the blended company.

Stellar Diamonds mulls takeover offer as losses deepen

Miner posted a net loss of $984,928, compared to a $663,145 loss a year earlier, due to an increase in costs of developing its Tongo-Tonguma diamond project in eastern Sierra Leone.

Stellar Diamonds Sierra Leone project takes key step forward

Funding for the project has not been secure yet, though the miner is in talks with Newfield Resources over a possible offer.

Graff buys another giant diamond from Sierra Leone

With this purchase, Graff Diamonds says it has acquired, cut and polished the majority of the top 21 largest stones of the 21st century.

Sierra Leone ‘Peace Diamond’ sold for less-than-expected

The egg-sized, 709-carat rough yellowish diamond was sold for $6.5 million to luxury jeweller Laurence Graff, chairman of Graff Diamonds.

Second large diamond in a year unearthed in Sierra Leone

Another huge diamond has been released from the Earth's clutches following an astounding discovery in the West African country earlier this year.

Proceeds from massive diamond found by pastor to go to Sierra Leone’s poorest

Over 50% of the proceeds will be used to fund clean water, electricity, school, medical facilities, bridges and roads, none of which are currently available in the village of Koryardu, where the diamond was found.

Stellar Diamonds soars on $1.25 million-sale of Guinea assets

Deal allows the Stellar to focus on its bigger Tongo-Tonguma project in Sierra Leone, which would be the country's second largest diamond mine ever.

Massive diamond found by Sierra Leone pastor now for sale in Antwerp

The 709-carat rock is the second-largest ever found in the West African nation.

Sula strikes 'bonanza grade' gold in Sierra Leone

The Sierra Leone-focused miner has found gold of almost "bonanza grade" at the Ferensola gold project in the Sula Mountains of Sierra Leone.

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.

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

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

Stellar Diamonds extends sale of Guinea assets, refinances loan

The diamond miner decided to offload those units to focus on its Tongo-Tonguma project in Sierra Leone, which has the potential to generate earnings of $45 million a year.

Stellar Diamonds jumps on Tongo-Tonguma tribute mining agreement

Deal creates one of the largest diamond mines in West Africa.

Sierra Leone pastor unearths one of the 20 largest diamonds ever found

Emmanuel Momoh found the 706-carat diamond in Sierra Leone's Kono district.

Stellar Diamonds to operate Tonguma mine in Sierra Leone

The company originally intended to combine its Tongo project with Tonguma, but it has now decided to become the mine's operator.

Sierra Leone: Chinese steel firm to invest in $700m iron ore processing plant

Chinese steel firm Shandong Iron and Steel Group plans to invest $700m iron ore processing plant at its Tonkolili mine in Sierra Leone.

Kimberley Process chairman wants UN involvement in supervising global diamond trade

Ahmed bin Sulayem says a well-structured permanent body able to take over the work currently done by volunteers is urgently needed.

Stellar posts upbeat economic assessment for Sierra Leone’s second largest diamond project

The company said its proposed Tongo-Tonguma mine economic evaluation demonstrates robust financial returns for a modest capital requirement.

Stellar Diamonds to ink deal that would create Sierra Leone’s second largest mine

The diamond producer plans to combine its Tongo mine with Octea Mining’s adjacent Tonguma operation.

Sierra Leone grants preliminary OK to Stellar Diamonds Tongo mine

The West Africa-focused firm said it was verbally informed of the approval by the country's Minerals Advisory Board.

Stellar Diamonds secures environmental approval for Sierra Leone project

The permit marks another key step in the process of moving towards development of the 1.45 million carat diamond resource in the West African country, said the company.

Stellar Diamonds just found a big rock at its Guinea project

The discovery of the 55-carat diamond confirms the presence of large stones in the area, said the company.