ALROSA Mining News

Alrosa launches synthetics diamonds detector

The portable machine screens polished diamonds and jewellery, identifying synthetics as well as treated stones.

Russian diamond company Alrosa posts 28% profit fall

The average price of its gem-quality diamonds fell by 9% in 2017, it said, citing "changes in the product mix".

ALROSA rough diamond reserves grew to almost 1.2 billion carats in 2017

Total diamond reserves, taking into account the explored deposits under the National Reserves Committee standards, increased by 57.8 million carats during the year.

Global diamond supply expected to decrease this year

Paul Zimnisky, an independent diamond industry analyst, estimates supply will fall 3.4% to 147 million carats.

New large stones found at Yubileynaya pipe

In January 2018, ALROSA recovered two gem-quality stones weighing 97.92 carats and 85.62 carats.

ALROSA's subsidiary supplies 27 X-ray sorters for the Cullinan Mine

The Cullinan Mine is owned 74% by Petra Diamonds Limited and is renowned as the source of very rare blue diamonds and large, high quality gem diamonds.

Alrosa ups Q4 diamond output, mulls Mir mine future

The Russian state-controlled diamond miner increased fourth-quarter production by 6 percent year-on-year to 10.1 million carats as a shutdown at its Mir mine was offset by higher output at other assets.

Alrosa inks long-term diamond supply deals with 67 clients

Miner aims at selling around 40 million carats of diamonds in 2018 provided market conditions are favourable.

Alrosa buys stake in Angola's largest diamond deposit for $70 million

Deal provides the diamond giant with access to a production base outside Russia.

Alrosa 2017 sales fall to $4.3bn on lower average price for rough diamonds

Russian miner said the price decline for rough diamonds was due to the changed sales assortment resulting from an increased demand for small-sized rough rocks from India.

Alrosa recovers huge yellow diamond from Yakutia mine

The Russian company says more than twenty large rough diamonds over 50 carats have been extracted from its Jubilee pipe.

Alrosa’s 51-carat Dynasty diamond fails to sell at auction

The other four other stones of the collection were sold at an average premium of 30%.

Alrosa ready to auction the most expensive diamond ever polished in Russia

More than 130 potential buyers have already registered to participate in Wednesday’s online sale of the five-diamond collection, which includes the giant 51.4-carat Dynasty.

Alrosa finds three large diamonds at prolific Jubilee pipe

The large rough, gem-quality stones range from 82 to 163 carats.

Alrosa sold large rough diamonds worth $9 million at an auction in Vladivostok

Alrosa took stock of the international auction for special-size rough diamonds weighing 10.8 carats and more, held on the territory of the Eurasian Diamond Centre (The EDC) in Vladivostok.

Alrosa has just unearthed another large yellow diamond, hits annual record of massive findings

With the newly unearthed 34.17-carat diamond, Alrosa has hit an annual record in the number of large fancy-coloured stones found at its operations.

ALROSA to auction large rough diamonds in Vladivostok

Results will be announced on October 30.

ALROSA starts removing ore from Verkhne-Munskoe deposit

There are plans to remove a total of 75,000 tons of ore from the new deposit before the end of the year.

Discovery of newsworthy diamonds picks up

Over the last nine years 66 record-breaking and other noteworthy diamonds were recovered, and 61 of those have been found within the last five years.

Alrosa finds gigantic pink diamond, likely its most expensive one

Alrosa is currently trying to decide on whether to sell the 27.85-carat rock as a rough diamond, or cut and polish it.

How Russia plans to compete with India in the diamond market

Moscow wants state-owned Alrosa to offer more favorable terms to local cutters

ALROSA invites independent auditor to analyze causes of accident at Mir mine

An independent audit will be conducted to make an overall assessment of all decisions and actions at the design, construction and operation stages of Mir underground mine.

Search for four missing workers trapped at Russia's Alrosa mine fails

Water level makes it "too risky" for rescuers to try accesing area where miners were believed to be when the accident happened.

Alrosa to keep 2017 output target unchanged despite Mir accident

The world’s top diamond producer by output in carats still expects to produce about 39 million carats this year.

Russia's Alrosa searching for 16 miners missing after accident

A total of 102 miners have been brought to the surface and another 33 miners have been located in the mine in Yakutia in eastern Siberia and are being evacuated.