Gem and Diamond

Mining News Pro - A 14.83-carat pink oval diamond found and polished by Russia’s Alrosa (MCX:ALRS) could fetch up to $65 million when it goes up for sale in November.

Mining News Pro - Anglo American’s De Beers, the world’s No.1 diamond miner by value, will once again let buyers reject some of the precious stones at the company’s upcoming sale amid weak prices and miners facing challenging times, especially those producing cheaper and smaller stones where there is too much supply.

Mining News Pro - At the foot of a slag heap some 40 metres high, Adi Kalie Bangura showed the black welts that dot his arms and legs that he says are the result of drinking and bathing in water contaminated by Sierra Leone’s largest diamond mine.

Mining News Pro - The world’s top diamond producer by output, Alrosa (MCX:ALRS), and the Zimbabwe Consolidated Diamond Company have signed a joint venture agreement to develop diamond deposits in Zimbabwe.

Mining News Pro - South Africa’s Petra Diamonds (LON:PDL) on Monday became the latest victim of weak demand for precious stones that is crippling the industry after reporting full-year revenue below analysts’ estimates.

Mining News Pro - The world’s top diamond producer by output, Alrosa (MCX:ALRS), reported unearthing a gem-quality rough diamond weighing 63.15 carats from the Zapolyarnaya kimberlite pipe of the Verkhne-Munskoye depositlocated in Yakutia.

Mining News Pro - Rio Tinto has unveiled its annual showcase of the world’s rarest pink and red diamonds in a preview at the Argyle mine site in the east Kimberley region of Western Australia.

Mining News Pro - Africa-focused Firestone Diamonds (LON:FDI) has dug up a 54 carat intense fancy yellow, sawable diamond from its 75%-owned Liqhobong mine, in Lesotho.

Mining News Pro - Ever wondered where that sparkly stone on your finger was dug up? Who polished it and where? The world’s top diamond producer wants to answer all your questions.

Mining News Pro - For the first time a trench cutter sampling system is being used to take a bulk sample of a Canadian kimberlite. Such equipment is normally used in specialist foundation engineering, rather than mineral exploration.

Mining News Pro - BlueRock Diamonds (LON: BRD) shares were up 15% on the London Stock Exchange Friday after the miner announced it had recovered its largest diamond to date, a 24.9 carat gem quality stone.

Mining News Pro - The Ministry of Energy, Northern Development and Mines has issued 10 exploration permits to Golden Share Resources for drilling targets within the Ogoki project and the Kagiami project, located in the Wabassi and Albany River area of the James Bay Lowlands.

Mining News Pro - Exploration continues at the Star kimberlite, part of the Star-Orion South project 60 km east of Prince Albert. The project is owned by Saskatoon’s Star Diamond Corp. and optioned to Rio Tinto Exploration Canada.

Mining News Pro - Lucapa Diamond Company has continued its successful run at auction after securing $US10 million ($14.5 million) for the sale of alluvial diamonds from its Lulo mine in Angola, central Africa.

Mining News Pro - Seventy-seven diamond exploration cooperatives started operating in various country`s mining-rich provinces, after receiving permission by the National Diamond Company "ENDIAMA".

Mining News Pro - Organizations behind lab-grown diamonds continue to push to conquer the market.

Mining News Pro - Sandvik Additive Manufacturing has created the first ever 3D printed diamond composite. The stones lack sparkle, but are perfect for a wide range of industrial uses, says the company.

Mining News Pro - Anglo American has announced the approval by Debmarine Namibia, a 50:50 joint venture between De Beers Group and the Government of the Republic of Namibia, of the construction of a new custom built diamond recovery vessel.

Mining News Pro - Government should consider transforming the diamond industry for greater private sector and citizen participation, especially in light of the Vision 2036 aspiration to become a high income economy, says Business Botswana president Mr Gobusamang Keebine.

Mining News Pro - A report published by Rapaport this week reveals that polished-diamond prices declined in April with 1- carat diamonds sliding 1% year-to-date and 3-carat diamonds falling by 6.1% year-to-date.

In Picture