ALROSA DIAMONDS
carbon-
neutral
Their production absorbs more CO₂ than it releases into the atmosphereTHE CLIMATE IS CHANGING QUICKLY AND SERIOUSLY
To avoid catastrophic consequences for the Earth's biosphere, according to international experts, it is necessary to limit global warming to 1.5 °C. This goal is set by the 2015 Paris Agreement.
To achieve this, carbon dioxide emissions must be reduced by 45% by 2030 compared to 2010 levels, and reach zero by 2050. Otherwise, we face extreme weather events, permafrost thawing, ocean acidification, and the collapse of entire ecosystems.
25 times increase in greenhouse gas concentration over the past 100 years
If current rates continue, the consequences could become irreversible by the second half of the 21st century.
Where do diamonds come from?
Natural diamonds are mined from diamond-bearing bedrock — kimberlite
Kimberlite is an igneous rock that formed billions of years ago deep underground and brought diamonds to the surface during ancient eruptions.
But kimberlite is interesting not only
as a source of diamonds.
Kimberlite can naturally absorb CO₂ from the atmosphere through a process called carbonation
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kimberlite minerals interact with water and CO₂ from the air
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carbon dioxide turns into stable calcium and magnesium carbonates
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carbon is "locked" into a solid mineral form
This is not a hypothesis or a model. It has been proven by three years of research conducted by ALROSA specialists together with scientists from Moscow State University.
Direct measurements were taken at ALROSA's actual deposits in Yakutia and the Arkhangelsk region, which confirmed this effect.
This process — has no reverse effect
The absorbed CO₂ does not return to the atmosphere — it remains locked in the stone forever.
1
The more kimberlite is mined from the ground, the greater the volume of carbonation
2
The greater the carbonation, the cleaner the atmosphere will be
3
The cleaner the atmosphere, the better for the climate, because the climate accumulates changes
DIAMOND MINING ENHANCES CARBONATION
In nature, carbonation occurs slowly, but diamond mining accelerates the processes: when kimberlite is extracted from the ground and finely crushed during diamond recovery using water, it actively interacts with air and water.
As a result, the natural process of CO₂ absorption rapidly accelerates.
Essentially, diamond mining activates and enhances a natural mechanism that existed long before humans.
In nature
Kimberlite is locked deep underground
When extracted from the ground
Chemical reactions of kimberlite with air are activated
During diamond mining
Kimberlite is crushed during processing, increasing the contact area with air
Using water during crushing and storage of kimberlite rock
accelerates
the reaction with air
The balance is not zero — it is positive
The effect is confirmed not by "theoretical" calculations, but by measurements at ALROSA's industrial facilities
ALROSA BECAME THE FIRST MINING COMPANY IN THE WORLD TO
Scientifically prove the carbon neutrality
of its products
Undergo independent international verification
Achieve carbon neutrality without purchasing
carbon credits
The company is establishing a new industry standard and changing the perception of what mining can be in the 21st century.
ALROSA became the first mining company in the world whose product — natural diamonds — is officially recognized as carbon-neutral. International verification confirmed that during the diamond mining process, CO₂ absorption exceeds all greenhouse gas emissions.
Achieving carbon neutrality in production inspired ALROSA to launch Russia's first CCS-CDR project aimed at increasing the intensity of CO₂ absorption.
CCS – Carbon Capture and Storage
CDR - Carbon Dioxide Removal
Scientists conducting measurements at ALROSA's Mirny-Nyurba Mining and Processing Division noticed that when two diamond-bearing rocks — primary kimberlite and alluvial sands — are mixed, carbon dioxide absorption stops. When the primary rock is separated from the sands, it resumes CO₂ absorption.
This means that by modernizing its technology, ALROSA can increase the volume of carbonation.
When the project reaches full capacity, the annual absorption volume could reach up to 26,000 tons of CO₂.
That's 26,000 carbon credits obtained from the CCS-CDR project. They have a high value.
The proceeds from the CCS-CDR project will be used to enhance ALROSA's carbon neutrality and for environmental programs.
EXPERT COMMENTS
Pavel Marinychev
CEO of ALROSA
Lin Qiang
President of the Shanghai Diamond Exchange
Kirit Bansali
Chairman of the Gem and Jewellery Export Promotion Council of India