Archive

  • Following the unearthing of the 476.7-carat diamond, dubbed the Meya Prosperity, at the Meya deposit in the Kono District of Sierra Leone, Meya Mining announced the appointment of Koin International as the marketing and sales agent for the exceptional diamond.

  • Australian junior miner Lucapa Diamond Company and its partners, recovered a 129.58 carat rough diamond from the Lulo Diamond Project in Angola, the eight stone above 100 carats since commercial production started in 2015.

  • Miners in Sierra Leone have unearthed a 476.7-carat diamond, reports the country's National Minerals Agency. Mining company Meya, owned by Namibia's Trustco Resources (51%) and Germinate Sierra Leone Ltd., discovered the stone in the diamond-rich eastern district of Kono.

  • ALROSA today announced the recovery of several large rough diamonds from Jubilee (Yubileynaya) pipe at Aikhal Mining and Processing Division in October.

  • ALROSA’s affiliate Almazy Anabara has extracted a large 34.17-carat yellow diamond. It is the largest fancy-colored rough diamond extracted by the company this year, writes the Russian mining giant. The rough diamond, extracted from Ebelyakh alluvial deposit, measures 20.17 х 19.65 х 15.1 mm. It is a transparent intense yellow crystal with a small inclusion in the intermediate zone. Before the end of October, it will be delivered to the United Selling Organization ALROSA (USO ALROSA) in Moscow, where the company specialists will give it a more detailed and accurate assessment.

  • Dunnedin Ventures Inc., an emerging diamond exploration company based out of Vancouver, BC whose main focus is the advanced stage Kahuna Diamond Project located in Nunavut, Canada, reports the recovery of 8.17 carats of commercial-sized diamonds (+0.85 mm) from 2.03 tons of ore from the PST kimberlite - one of three at the project. This yielded a final aggregate sample grade of 4.02 carats per ton.

  • Russia’s dimond mining giant ALROSA recovered a 60.32 carat rough diamond which experts believe could yield up to US$174.5 thousand per carat.  The Octahedron crystal is transparent with a yellow hue and was recovered at Mirny’s Mining and Processing Division, from the Gornoye alluvial deposit. It is the only plant in Russia which processes rough diamonds recovered by dredging fleet.

  • Merlin Diamonds Ltd., the owner of the Merlin diamond mine in the Northern Territory, Australia, has announced the recovery of five green diamonds from the Kaye pit, amongst them intense greens. The largest green diamond recovered is 1.4cts. They also note that more green diamonds have been recovered from the ongoing mining operations at Merlin, and are being validated by independent experts.

  • ALROSA recovered a large diamond of 121.88 carats from Jubilee kimberlite pipe in the Republic of Sakha (Yakutia), according to a press release (translated by Rough-Polished). The diamond was extracted by the company’s business unit Aikhal Mining and Processing Division (MPD) at the processing plant No.14. The diamond crystal has a yellowish tint, its dimensions are 28 х 18 х 19.5 mm.

  • Mountain Province Diamonds, the co-owner (49%) with De Beers (51%) of the Gahcho Kué Mine in Canada's Northwest Territories, has announced the recovery of a 67.87 carat gem quality octahedron diamond during production ramp-up at the diamond mine. It is the largest gem quality diamond recovered at Gahcho Kué to date. “The presence of large gem quality diamonds at Gahcho Kué was established during the bulk sampling when a 25.13 carat octahedron was recovered”, noted Patrick Evsans, Mountain Province President and CEO.

  • As in previous years, De Beers has allocated $35 million to diamond explorations and, in an effort to improve the rate of discoveries, will be implementing new technology. Mining companies have cut exploratory spending due to the 2015 slump in commodity prices, as well as the widening gap between expenditure and the value of resources found, as the best quality ores are reportedly depleted. "Our exploration spend this year is likely to be in line with last year's, around $35 million,” said De Beers.

  • Karelian Diamond Resources, an Irish diamond exploration company focused on Finland, announced they had received results from sampling undertaken by the Geological Survey of Finland (GTK) which had been requested by the company. In one of the seven samples that had been analyzed, a diamond had been discovered from the Kuhmo region of Eastern Finland.

  • Dominion Diamond Corp. reports that production from the Diavik Diamond Mine for the fourth calendar quarter of 2016 ended 10% higher than in the same quarter of the prior year, reflecting higher processing volumes that were partly offset by lower recovered grade. Under a joint arrangement, Rio Tinto operates the mine and Dominion Diamond pays 40 percent of the mine’s operating and capital costs while receiving 40 percent of the mine’s diamond output.

  • The Bakwanga Mining Company (Societe Miniere de Bakwanga, or MIBA), a joint Belgo-Congolese company based in Mbuji-Mayi, Kasai-Oriental Province in south central DRC, denied having recovered an 87-carat white diamond worth more than $6,000,000.

  • Australia's Merlin Diamonds announced the recovery of a 35.26 carat brown diamond, the fifth largest diamond discovered in Australia, as well as a 14.6 carat brown diamond and a number of smaller white diamonds.

  • As blue diamonds have been stealing the headlines for their record-breaking prices achieved at auction, Australia's Merlin Diamonds' recovery of a blue diamond from its Merlin diamond operation in the Northern Territory, while small (0.124 carats), portends well, as it, "does demonstrate

  • Lucapa Diamond Company, the Sydney-listed diamond producer and exploration firm, had started commissioning the modules for the new state-of-the-art XRT processing and recovery stream, a move they announced last summer. The he XRT technology and larger screens (55 mm) recovery and sorting solution will allow recovery of diamonds of up to 1,100 carats. This is the same technology Lucara Diamond used to recover the 1,109-carat Lesedi La Rona.

  • Firestone Diamonds has announced the recovery of the first diamonds at the Liqhobong Diamond Mine is Lesotho as the project moves into the production ramp-up phase. Liqhobong is owned 75% by Firestone and 25% by the Government of Lesotho. The first ore was treated through the plant as scheduled with diamonds reporting to the sort house, and among the initial recoveries were fancy yellow diamonds, as the company expected. Commissioning at the plant is 96% complete and the irst ore blast in the main pit was successfully completed, while waste stripping is on target.

  • Continuing a year of impressive results, Lucapa Diamond Company has reported record diamond production in Q3 2016 from the Lulo Diamond Project in Angola. Sociedade Mineira Do Lulo (SML) produced 8,853 carats from its alluvial operations in the September quarter, a 154% increase over the same period in 2015. This puts YTD production at 14,521 carats, a 233% increase over the first nine months of 2015. Q3 production also included a record number of 'specials' (+10.8 carats), with 137 stones combining for 3,210 carats.

  • Lucapa Diamond Co. Ltd., an ASX-listed Australian company based in Perth, has uncovered yet another exceptional diamond from its Lulo Project in Angola and believes it is closing in on the original source of the gem. The 104-carat Type IIa, D-color diamond is the fourth stone over 100 carats Lucapa has found this year and the fifth overall.

  • Pangolin Diamonds Corp has announced that their drilling program at the Motloutse Diamond Project, located 150 km east of the largest diamond mine in the world, the Orapa Diamond Mine in Botswana, intersected no kimberlite during their August drilling program.

  • Petra Diamonds has found a 138.57-carat Type IIa, D color diamond at the Cullinan mine in South Africa. The diamond will be offered for sale as part of Petra's next sales process in late August in Johannesburg.

  • Mozambique's National Director of Mines Elias Daude last week confirmed that diamonds had been discovered in the Massangena district of the Gaza province, writes Mining Weekly.

  • Discoveries of diamonds on land along Namibia's coastline in the southern Atlantic may extend ground-based mining operations by another 50 years, said the country's Finance Minister, Calle Schlettwein. Namibia is the world’s largest producer of marine gems. Namdeb Diamond Corp., jointly owned by the Namibian government and De Beers, came across diamond deposits after pushing back the sea wall at its land-based operations, Schlettwein told Bloomberg.

  • PJSC ALROSA reports the start of the development of a new deposit, the Zarya pipe at Aikhal Mining and Processing Division. Today, the first commercial blasting triggered the first stage of the deposit development - surface stripping to remove barren sedimentary rock overlying the ore body. The mine is to reach its design capacity of 1 million tons of ore per year by 2021. The mine life is expected to be 13 years.

  • Namibian diamond miners working off the coast of Africa discovered a 500-year-old shipwreck loaded with around $14 million of gold and coins. The 'Bom Jesus' - or 'Good Jesus' - was first discovered along the Namibian coast near Oranjemund by geologists from De Beers in April 2008. It was found by the miners as they drained a man-made salt water lake along the Skeleton Coast. Although many shipwrecks have been discovered along the coastal area, this was the oldest and the first to be loaded down with coin and ivory tusks, according to the Mail Online.

  • Russian diamond mining giant ALROSA has announced the recovery of a 207.29-carat rough diamond from the Zarnitsa pipe at Udachny Mining and Processing Division in the Russian Republic of Yakutia. The gem-quality rough diamond measures 38.0 х 37.0 х 18.0 mm and is the largest diamond discovered in the history of Zarnitsa. The extracted stone represents a transparent transitional crystal form with a slightly grooved surface. The diamond has no name so far.

  • Pangolin Diamonds Corp. reports that one of seven diamonds from the MSC Grid in Botswana is a Type II nitrogen-free diamond. Approximately 2% of the world’s diamonds are classified as Type II diamonds. The firm said that Type II diamonds are often associated with the presence of large diamonds, such as the 813-carat and 1,109-carat diamonds found at the Karowe mine by Lucara Diamonds which are both Type II diamonds. The Karowe mine is approximately 105 kilometers northwest of the MSC Grid area.

  • Following the meeting of ALROSA’s special commission, company president Andrey Zharkov signed an order to dedicate an 83.59-carat gem quality diamond to mothers by naming it "Mothers of Russia". ALROSA recovered a 83.59-carat diamond on February 13, 2016, from Yubileynaya pipe. The Aikhal Mining and Processing Division extracted the stone from plant No.14. The diamond, said to be of "2 Black Sawables 3 color" quality contains small graphite-sulphide inclusions, is octahedron-shaped and is transparent with a yellowish hue. The stone measures 28mm x 26.5mm x 26mm.

  • Diamcor Mining Inc. has announced the recovery of two “special” gem-quality rough diamonds (+10.8 carats), an 11.64 and a 12.73 carat stone, from its Krone-Endora at Venetia Project in South Africa.

  • After a week of speculation and a temporary suspension of trading in the company's securities, Lucapa Diamond Company announced the discovery of the biggest recorded diamond in Angola, confirmed as a Type IIa D-color gem-quality stone. The 404-carat diamond from the Perth-based company’s Lulo project is also the 27th biggest recorded diamond in the world and the biggest diamond ever discovered by an Australian company. Lucapa has not yet valued the diamond, but recent sales of large special diamonds suggest it could be worth more than $20 million.

  • Pangolin Diamonds has announced the recovery of an eighth diamond from its wholly-owned Malatswae Diamond Project, in an area of the project that is located 105 km southeast of the Karowe diamond mine operated by Lucara Diamonds in Botswana. To date, seven of the eight diamonds recovered are white in color. The new discovery is one of four diamonds (three white and one brown) that have been reported from within an area of 0.32 km2. Olivine, ilmenites with reaction rims and a mantle xenolith, in addition to the four diamonds, have also been recovered from the same area.

  • Following the discovery of a 1,111-carat stone, the largest diamond to be found for 100 years, as well as an 813-carat stone and a 374-carat diamond, Lucara says it will invest between $15 million and $18 million on an additional large diamond recovery process at its Karowe mine in Botswana. The move is due to the fact that the current process circuit has been designed to recover diamonds to a maximum size of up to 1,000 carats.

  • Russian diamond mining company Alrosa's Supervisory Board decided to leave the firm's rough output target unchanged at 38 million carats for this year, the company said in an announcement. It also approved a revised budget for 2015, due to changes in the market and international financial conditions, including inflation and currency exchange rates.

  • Dropping diamond prices caused by lower growth in Chinese jewelry demand is reducing the appeal of Canada's Arctic diamond industry, with falling exploration budgets hitting the region’s long-term prospects. Exploration spending in Canada's diamond-rich Northwest Territories (NWT), the world's third-biggest producer, is forecast to drop 54 percent this year, according to a Canadian government estimate.

  • The Wall Street Jounal takes an inside look at De Beers' efforts to uncover the first major diamond mine in at least 20 years, an exploration drive that started in earnest last year in the southern desert of Botswana. "De Beers’ undertaking highlights the dilemma faced by diamond miners," writes Scott Patterson of the WSJ, "who are forecasting diminishing supplies if they don’t discover new caches of gems. Only a blockbuster discovery will enable them to keep long-term production at current levels, according to De Beers and analysts.

  • In a statement to investors, Lucapa Diamond Co. - based in Perth, Western Australia, and listed on the ASX - announced the recovery of 14 more “special” diamonds, including a 74.5 carat stone, from ongoing mining and treatment at Block 8 on the Lulo diamond project in Angola. All diamonds were greater than 10.8 carats, while the 74.5 carat diamond was confirmed as Type IIa D-colour stone and the fourth biggest stone recovered to date at Lulo.

  • Linking to a press release via its Twitter account, North Arrow Minerals has confirmed four diamondiferous kimberlites at the Pikoo Diamond Project in Saskatchewan. Following on the their report of September 8, 2015 that confirmed kimberlite PK150 as significantly diamond-bearing, North Arrow today release a statement reading, "the 2015 exploration program at the Pikoo Diamond Project is now complete and new microdiamond results for the PK314 and PK311 kimberlites have increased the total number of diamondiferous kimberlites at Pikoo to four." Ken Armstrong, President and CEO of North Arrow

  • Zimbabwe's deputy minister of mines and mining developments, Fred Moyo, said his country has more than 100 kimberlite pipes which it needs foreign partners to help develop. He was speaking at an annual two-day mining and infrastructure indaba (an African term meaning important conference) in the capital, Harare. Foreign investors have shown little interest in investing in Zimbabwe due to the country's political situation. In addition, they have reportedly been further deterred by the government's unilateral move to merge all the firms mining in the Marange area.

  • Alrosa partner Botswana Diamonds' latest drilling update in the Orapa region of Botswana was met with disappointment by the market after initial field analysis suggested this rock was ultramafic rock older than the kimberlites found in the Orapa area. Two holes of the three-hole drilling programme intersected an anomaly discovered by Alrosa but they did not find what they were anticipating. There were, however, significant Kimberlite Indicator Minerals (KIMs) in its core, and these have been taken back to Russia for full analysis and identification.