Hope diamond

Rarest blue diamonds may get their color from a surprising source. GIA study

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  Blue Diamonds have a surprising superdeep origin and link to ancient oceans, says GIA study published in Nature. Boron from ancient ocean floor creates color in rare ‘superdeep’ diamonds. One of the most famous colored diamonds in the world is the Hope diamond, a natural color Fancy dark grayish blue diamond. The Hope diamond … Read more

The legendary Archduke Joseph mega diamond goes under hammer

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Christie’s auctions 76.02 carat Archduke Joseph diamond Archduke Joseph gem to fetch at least $15m at Christie’s auction Archduke Joseph, undoubtedly one of the rarest and most famous diamonds in the world, will be offered at a Christie’s auction in Geneva on 13 November 2012, with an expected price of more than $15 million/ 11.6 … Read more