Last year yielded positive results for Aim-listed diamond miner BlueRock Diamonds, which achieved significant increases in production and recovered grade, and saw its diamond sales increase by 71% to 5 805 ct, compared with the 3 385 ct sold in 2017. Production volume for the miner, which owns and operates the Kareevlei diamond mine, near Kimberley, increased by 24% to 189 999 t, compared with 153 147 t in 2017.
