Petra sells rare blue diamond for $27.6m London-listed Petra Diamonds said it sold a rare blue diamond found at its mine in South Africa for $27.6m. Business • 16 Sep 14
Petra sells rare blue diamond for $27.6m London-listed Petra Diamonds said it sold a rare blue diamond found at its mine in South Africa for $27.6m. Business • 16 Sep 14
Rare blue diamond could fetch over $35m A rare 122.52-carat blue diamond found in South Africa could fetch more than $35m for a London-listed mining company. Business • 13 Jun 14
Rare blue diamond could fetch over $35m A rare 122.52-carat blue diamond found in South Africa could fetch more than $35m for a London-listed mining company. Business • 13 Jun 14
