The diamond weighing 92.15 carats, which is part of a necklace, reached an average price of $ 162,611 per carat, which corresponds to its preliminary assessment in the amount of $ 14.1 to $ 20.2 million. The product, called «La Légende», is the creation of high-end jewelry house Boehmer et Bassenge.
Among the other lots sold at the auction -. Ring with diamonds and 15.1-carat oval ruby, gone under the hammer for $ 12.9 million of rectangular-cut diamond is also weighing 7.97 carat fancy intense blue color VS1 purity was sold for $ 12.7 million, or $ 1.6 million per carat.
At the auction Magnificent jewelry (Magnificent Jewels and Noble Jewels) Christie 's revenues reached $ 95 million. A day earlier, the main rival auction house Sotheby's sold the jewelry to the amount of $ 151.5 million in its event in Geneva, and the main lots was a pair of earrings sold for a record $ 57.4 million, or $ 2.9 million per carat.
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De Beers said that it is headed by an innovative research project, whose goal is the implementation of diamond mining with minimal CO2 emissions on some of their operations just five years.
The group of companies, which owns diamond mines in Botswana, Canada, Namibia and South Africa, has launched this project in 2016.
The project is aimed at accelerating the natural and safe process of extracting and storing carbon from the atmosphere at a rate which could compensate artificial carbon at the enterprises.
Scientists estimate that the potential for carbon accumulation in dumps kimberlite rocks produced at diamond mines each year, can compensate emissions typical mine tenfold.
"This project has great potential to completely eliminate the emission of carbon dioxide in the diamond De Beers operations", - said the project manager Evelin Mervin (Evelyn Mervine).
"Mineral carbonation technology is not new, but we have been developing their current application for the kimberlite ore, which is in abundance in the tailings at the Diamond Project, and which offers ideal properties for storing very large amounts of carbon," - she added.
Mervyn said that the research is in its early stages, and it may take some time to get economic or practical ability to use its full potential.
"However, even if the project would be though a little successful, it could significantly reduce net emissions in many of our mines in the near future, and possibly allow to completely eliminate CO2 emissions in some areas over the next five to ten years" - added Mervyn
CEO of De Beers Bryus Cleaver (Bruce Cleaver) said that by repeating this technology in other mining operations around the world, the company can play an important role in changing the way that not only the diamond industry, but also the mountains odobyvayuschaya industry as a whole will be able to solve the problem of reducing the carbon footprint.
"Investments in innovative projects such as this, in line with the innovation program FutureSmart Mining our parent company Anglo American We have a real potential to leave a positive, lasting legacy for the global mining industry.", - he said.
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