Categories Diamond The masters of the diamond world are losing control of their tightly held market – Financial Post Post author By Gold News Club Post date June 23, 2020 Click here to get this article in PDFEnter your Email AddressShare this: The masters of the diamond world are losing control of their tightly held market Financial Post ← Aussie company turning your clutter into diamond rings – Yahoo Finance Australia → AFL-CIO president demands apology from Facebook’s Zuckerberg over this