Aim-listed BlueRock Diamonds has sold a parcel of 400.06 ct of diamonds, at an average price of $330/ct, in an August tender. The company, which operates the Kareevlei diamond mine, near Kimberley, on Thursday noted that the diamonds produced and sold at the tender had resulted in a grade of 2.07 carats per hundred tons (cpht), compared with the average grade of 1.7 cpht achieved, on average, during this year.
