Archive

  • Russian diamond miner Alrosa has made an unusual find in Yakutia - a diamond with another diamond moving freely inside, making it resemble a traditional Russian Matryoshka doll. According to the experts who have studied the find, this is the first such diamond in the history of global diamond mining. The diamond was mined at the Nyurba mining and processing division. 

  • Lucara Diamond Corp. has recovered a 123-carat gem quality top white Type II diamond from its 100% owned Karowe Diamond Mine located in Botswana. The miner also recently recovered a 375-carat gem quality diamond at Karowe from the processing of historic DMS recovery tailings, generated prior to the incorporation of Lucara's XRT diamond recovery circuits. 

  • BlueRock Diamonds plc, the AIM-listed junior mining company which owns and operates the Kareevlei Diamond Mine in the Kimberley region of South Africa, has recovered its largest diamond to date: a 24.98 carat gem-quality stone. The miner’s largest diamond prior was 16.28 carats, which sold for $78,947. BlueRock's shares jumped 15% on the news published June 7, but the gain was short-lived, having receded to its level prior to the fiind. Update - The 24.98-carat rough diamond sold for for $190,000, representing an average price of $7,606 per carat.

  • Lucapa Diamond Company has recovered of a gem-quality, 126-carat diamond from the new Mothae kimberlite mine in Lesotho. The 126-carat stone is the largest diamond recovered since commercial mining operations commenced in January 2019 and the largest gem-quality diamond ever recovered from Mothae.  

  • Russian diamond miner Alrosa unearthed a gem-quality stone weighing 118.91 carats on April 16th, the eve of the launch of Zarya - a new deposit of ALROSA at Aykhal Mining and Processing Plant. It is the largest gem-quality diamonds found at the ‘International’ pipe over the past two years. The mined crystal is one of the largest gem-quality diamonds extracted from the ground at the mine ‘International’ in recent years; a similar large gem-quality diamond (109.61 carats) was mined here in summer of 2017.

  • Only weeks after recovering a 425-carat diamond, Petra Diamond's famed Cullinan mine has produced another big stone, this time a 209.9 carat D-Colour Type II diamond. The big diamond is the third +100ct Type II D color gem-quality diamond Petra has recovered since March 2019 and the fourth in this financial year. The find will take some of the sting out of the 7% production decline in the third fiscal quarter due to a slowdown at its Finsch mine in South Africa.

  • Following test drilling carried out earlier this month at the Verkhne-Munskoye diamond deposit located in the west of Yakutia, Russian diamond miner Alrosa has announced that it has the potential to "become one of the richest in large diamonds among Alrosa’s deposits." 

  • Petra Diamonds received a welcome respite from their recent struggles with debt and low prices for small diamonds across the global market. It arrived in the form of a 100.83 carat D-Colour Type II gem quality diamond, which followed another recent recovery of a 6.12 carat Type II blue stone at its Cullinan Diamond Mine in South Africa.

  • Russian diamond mining giant Alrosa recently recovered a "unique" gem-quality rough diamond weighing 98.8 carats from the Zapolyarnaya kimberlite pipe, which is the part of the Verkhne-Munskoye diamond deposit.

  • According to new research published by the Fancy Color Research Foundation (FCRF), one of the most overlooked facts concerning the diamond industry is that the world’s diamond mines are rapidly depleting. Within a quarter of a century, the majority of the 45 most notable diamond mines operating today will cease to exist, and the last diamond will be unearthed in 60 years. According to the FCRF, diamond prices will rise as supply wanes.

  • Gem Diamonds had a banner year in terms of recoveries, sales and average prices acheived for its diamonds unearthed from its Letšeng mine in Lesotho. In addition to setting a company record for recoveries in a single year of diamonds larger than 100 carats (15) and of diamonds larger than 20 carats (257), in 2018 Gem's carats recovered increased by 13% to 126,875 carats (2017: 111 811 carats), sales jumped 29% to $267 million from $207 million, and the average price rose by 10% to $2,131 per carat, up 10% from $1,930 per carat in 2017.

  • Stellar Diamonds and parent company Newfield Resources are on the verge of commencing development of their Tongo Diamond Project in Sierra Leone. When completed, it will be the second largest diamond operation in the country. The Diamond Loupe spoke with CEO of Stellar Diamonds and Executive Director at Newfield Resources Karl Smithson, first in Antwerp and again when he was on site in Tongo (“in the middle of the bush”) about the project, how it is progressing and what to expect going forward.

  • Gem Diamonds has recovered a 357 carat light brown high-quality diamond trom its 70 percent-owned Letšeng mine in Lesotho, representing the 13th stone larger than 100 carats the miner has unearthed this year, a company record. The latest find is Gem's second-largest this year, with their largest being the 910 carat Lesotho Legend, a D color Type IIa diamond recovered in January, which sold for $40 million last March. 

  • Canadian miner Mountain Province Diamonds (MPD) has announced "very encouraging" results from its exploration program currently under way in the immediate vicinity of the Gahcho Kué mine. If the exploration success continues and is confirmed, it could lead to the potential addition to the resource of 1.5 to 2.8 million tons and 2.2 to 4.2 million carats, said Stuart Brown, the Company’s President and CEO.

  • Lucapa Diamond Company completed the first sale of alluvial diamonds for H2 2018 from the Lulo Diamond Project in Angola: the parcel of 2,527 carats achieved gross sale proceeds of US$2.0 million (A$2.7 million), representing an average price per carat of US$800 (A$1,079), as several large stones were excluded from the sale.

  • Lucapa Diamond has recovered 25 carat yellow gem diamond from the Mothae kimberlite mine in Lesotho during first two days of trial processing following bulk sampling plant modifications, causing them to rethink their expectations for the mine. "Significantly", they note, "the gem-quality Special was recovered from the Neck Zone of the Mothae kimberlite" which is not part of the current +1 million carat resource estimate. They also recovered a 6 carat diamond during the first two days of trial processing of material from the Neck Zone.

  • Lucara Diamond Corp. has recovered a 327 carat, top white gem diamond from its 100% owned Karowe Diamond Mine located in Botswana. Eight diamonds greater than 100 carats have now been recovered at Karowe since the beginning of the year, including the 472 carat diamond announced earlier this month.

  • The run of large diamond finds by London-based miner Gem Diamonds keeps going, as the company has announced the recovery of yet another huge diamond of exceptional quality, this time a 152 carat, D color Type IIa diamond from the Letšeng mine in Lesotho, the highest dollar per carat kimberlite diamond mine in the world. This is the sixth diamond of over 100 carats recovered in 2018. The third of which was the recovery of the massive 910 carat diamond announced on 15 January, 2018, the fifth biggest diamond find in history. 

  • Kimberlite diamond deposits have been discovered in the Sese area of Chivi, with investors scrambling to start mining the gems that are expected to catapult Masvingo Province into a mining hub, reports Zimbabwe news outlet The Herald. Masvingo Provincial Affairs Minister Senator Josaya Hungwe said diamond mining was set to start in Chivi following the discovery, and said at a press conference the discovery of diamonds in Chivi would economically transform the province.

  • Sergey Ivanov (37), the young CEO and Chairman of the Executive Committee of the world’s largest diamond miner, ALROSA, was in Antwerp for the company’s annual meeting with its 56 long-term clients. ALROSA is a traditional company in a traditional business, and still evokes the reputation of a state-owned giant despite the partial privatization (currently 34%) of the company a few years ago.

  • London-based miner Gem Diamonds recently rocked the diamond world with the announcement of its latest remarkable recovery from the Letšeng mine in the Kingdom of Lesotho: a 910-carat, D color Type IIa diamond. It is the fifth-largest gem quality diamond ever recovered and is of the highest quality. The Diamond Loupe had the opportunity to sit down with Gem Diamonds CEO Clifford Elphick and Commercial Director Glenn Turner at the Gem Diamonds office in Antwerp. (see a photo of the diamond in annex below)

  • The world's largest diamond producer by output, ALROSA, recovered of a large gem-quality diamond of 98.63 carats from its historic Jubilee (Yubileynaya) pipe, located in the eastern Republic of Yakutia. The octahedron crystal has inclusions of olivine, graphite and sulphide, is transparent yellow-tinted and measures 28.96 х 28.03 х 27.30 mm. "One more discovery weighing almost 100 carats confirms the fact that Jubilee pipe today is ALROSA's absolute leader in the recovery of large gem-quality diamonds.

  • On November 9 in Sierra Leone, Meya Mining recovered a 476-carat Type IIa, D color diamond (the highest category of purity & color) from the very first sample of ore they put through their processing plant. An astounding recovery.

  • “We have the diamond,” said Leora Halfon of tender house Koin International on the sidelines of the African Diamond Conference, showing us a photo of the 476-carat, Type IIa, D-colored diamond just unearthed by Meya Mining in Sierra Leone. “It’s already in Antwerp.”

  • 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