Australia-based Newfield Resources, concluded its maiden sale of 5333ct rough produced in the miner’s Sierra Leone Tongo mine, via Antwerp tender specialist Bonas Group successfully, with total revenues amounting to US$1.44m. Strong demand pushed prices for the 15 trial sale lots to an average of US$269/ct, well over Newfields estimation of US$222/ct. Newfield will conduct more sales this year as the company starts production at two of the five identified kimberlites on the Tongo mining leases.