Kimberley Diamonds Ltd’s sale of rough diamonds from its Lerala Diamond Mine in Botswana achieved an average price of US$ 98 per carat, reports say. The diamonds were sold via an online auction with the platform being operated by DDA Trading BVBA in Antwerp, reports add. The diamonds were of gem and near gem quality diamonds and were on display in Antwerp for a week, as per reports. The company intends to add the near-gem quality diamonds into a sale in September, as per reports.