London-listed Petra Diamonds has sold a 20.08 ct blue diamond, recovered at its Cullinan mine, in South Africa, in September, for $14.9-million. This represents a value of about $741 000/ct.
London-listed Petra Diamonds has sold a 20.08 ct blue diamond, recovered at its Cullinan mine, in South Africa, in September, for $14.9-million. This represents a value of about $741 000/ct.