De Beers reduced rough prices this week, providing customers with the potential for greater profitability. But there are deeper concerns about the sightholder system. The company is trying to address some of these and generate greater returns on its investment in mining. Rapaport Senior Analyst Joshua Freedman reports.
10ct. Mediterranean Blue Nabs over $21M at Sotheby’s
Diamond sells to American private collector, becoming most valuable jewel at auction this year.