Asian private collectors were the top buyers at Sotheby’s jewellery sales in Hong Kong during the first half of the year, according to the auction house. Asian private clients accounted for over 80 percent of overall jewellery sales, Sotheby’s said, adding that they also established a much more significant presence in the company’s worldwide jewellery … Read More →
Diamond production of Australia-based miner Rio Tinto at its Argyle Diamond Mine reached 6.880 million carats in the first half of the year, up 4 percent from the same period a year ago, the company announced. The company attributed the increase to the continued ramp-up of underground production, resulting in higher ore volumes processed, which … Read More →