This is exciting news for diamond lovers. Today mining group - Petra Diamonds announced a discovery of 507-carat stone at their mine in Africa, the same one where over 100 years ago famous Cullinan diamond was unearthed.
New stone is estimated to be worth about $20-million but its true value will be determined after detailed analysis are completed.
"The Cullinan mine has again given the world a spectacularly beautiful and important diamond," said Petra's chief executive Johan Dippenaar in a statement. "Initial indications are that it is of exceptional color and clarity, which suggest extraordinary potential for its polished yield."
The diamond is the size of a chicken egg and is one of the 20 biggest, high quality diamonds to have been found. A 168-carat stone was also discovered, alongside one of 58 carats and another of 53 carats.