A rare blue 41.82-carat diamond has been discovered at South Africa’s Cullinan Mine.
Cullinan mine is a site known for many exceptional coloured diamonds. The diamond found was identified as a type IIb, known extraordinary colour and clarity. They are also very rare, representing less than 0.1% of all diamonds. 
Some observers said the uncut gem’s shape looks like the outline of the African continent; this observation has been reported mainly by community outlets but has not been confirmed by any independent gemmological laboratory.
Although it has not been valued by officials, it is estimatedly worth between US$27 million and US$41 million.
This discovery will no doubt attract considerable interest from collectors, private individuals and investors in both African and all over the world.
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How Many Precious Diamonds Have Been Found in the Cullinan Mine?
The Cullinan mine named after Sir Thomas Cullinan, first owner of the mine is unmatched in both quantity and quality of substantial diamond output.
Cullinan, found east of Pretoria, is the world’s popular source of blue diamonds; they contributed to the display of rare blues at the 2000 Millennium Dome, including the “Heart of Eternity”.
Since 1903, the mine has produced more than 750 diamonds heavier than 100 carats, including the 3,106-carat Cullinan Diamond, the largest gem-quality diamond ever recovered.
The Cullinan mine is historically linked to the Cullinan diamond, which provided key pieces for the British Crown Jewels: the 530-carat Great Star of Africa and the 317-carat Lesser Star of Africa.
Petra Diamonds initially purchased a 37% stake in the mine from De Beers in 2008 and later increased its interest to 74% in 2009 by acquiring Al Rajhi’s holding.
The precise sale date for this rare blue diamond has not been made public, but experts are closely monitoring.
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