Photographer: Chris Ratcliffe/Bloomberg

Rio Tinto Sees Diamond Logjam Easing as Rough Prices Decline

  • Rough prices need to adjust to lower polished prices: Rio
  • Diamond prices heading for sixth straight quarterly decline

A logjam of diamonds held by traders, cutters and polishers will clear by the middle of next year as rough prices decline, according to the third-biggest producer of the stones.

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