The cushion-cut, fancy-deep-purple-pink stone (pictured) — which will lead the sale — is the largest diamond of its color the GIA has graded, Alrosa said Tuesday.
The miner will present 250 polished diamonds of various shapes and colors at the auction, which it has named “True Colour.” They will include a vivid-orangey-yellow diamond weighing more than 15 carats, and a cushion-shaped, 11-carat, fancy-vivid yellow. The Hong Kong show runs from September 12 to 16.
“It took more than a year to prepare the collection,” said Alrosa CEO Yury Okoemov. “It is a masterpiece of diamond production created by skillful professionals who put heart into their work, keep the traditions, and know what a real ‘Russian cut’ is.”
Alrosa will use the sale as a step toward its goal of expanding further into the colored-diamond market, Okoemov added.
The miner will sell the collection through a special electronic platform, which it used previously to sell large stones, it said. After the initial sale, the company will hold a regular auction for its polished stones once or twice a year.
Starting this year, the miner has been sorting its colored rough diamonds into 19 color categories, and polishes most of them in its in-house manufacturing division.
Source: Rapaport diamonds.net
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