Rare blue diamond about to release is expected to be worth more than $25.5 million



An extremely rare blue diamond recently found at the prestigious Cullinan diamond mine in South Africa will be auctioned this July, expected to be worth more than 25.5 million USD.

On June 2, it is reported that the UK-based South African diamond miner Petra Diamonds announced that it had found a type IIb blue diamond (the rarest diamond, accounting for only about  0.1% of all natural diamonds) weighing 39.34 carats at the Cullinan mine managed by the group.

Rare blue diamond about to release is expected to be worth more than $25.5 million

An extremely rare blue diamond expected to be worth more than 25.5 million USD. / ph: Petra Diamonds

 The rough diamond is described as a gemstone of "Outstanding quality in both color and clarity".  According to Petra Diamonds, this "very rare" type IIb blue diamond will be launched in Antwerp (Belgium), Dubai (United Arab Emirates), Hong Kong Special Administrative Region (China) and New York  (USA) this month.

 Interested customers can participate in online bidding from now until July 12.

 For more than a century, the Cullinan mine, located at the foot of the Magaliesberg Mountains, 37 km northeast of Tshwane, has been the source of some of the world's most famous diamonds, especially the very precious blue diamond.

 The Cullinan mine became famous in history with the discovery of the Cullinan diamond in 1905. This is the largest rough diamond ever discovered with a mass of 3,106 carats (621.35 grams), white and about the size of a human hand. The Cullinan has been split into 9 main diamonds and 96 small diamonds from debris.  The two largest diamonds are set on the scepter and crown of the British Royal Family.

 In 2014, a similar 29-carat rough gem found at the Cullinan mine sold for $25.6 million.  The stone was then cut and polished into a 12-carat Blue Moon of Josephine diamond.  This Type IIb blue diamond eventually sold for $48.4 million, setting a world record for the price per carat of a gem at auction in 2015.

Rare blue diamond about to release is expected to be worth more than $25.5 million

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