September 05, 18 by Albert Robinson

(IDEX Online) – ALROSA, the world’s largest diamond producer by output in carats, will hold its first “True Colour” auction of colored polished diamonds during the upcoming Hong Kong Jewellery & Gem Fair. <?xml:namespace prefix = "o" ns = "urn:schemas-microsoft-com:office:office" /?>


The collection includes 250 polished diamonds of various shapes and colors – purple, pink, orange and vivid-yellow stones with GIA certificates – some of them of very rare shades. ALROSA said it will be the first time it has presented such a large quantity of large colored diamonds.


The star of the show will be an 11-carat fancy deep purple-pink cushion cut diamond (pictured above) which it says is the largest diamond of this color ever certified by the GIA.


“It took more than a year to prepare the collection," said ALROSA deputy CEO Yury Okoemov.


ALROSA will auction the stones via a special electronic platform.


ALROSA is sorting its colored rough diamonds into 19 color groups. Most of them are polished by ALROSA cutting subdivision....

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