NWR’s division, the Czech Republic-based coal company OKD, tried for months to work out a rescue plan for the company, which included a total restructuring or a takeover.
The rare 2.83-carat violet diamond, named The Argyle Violet, is the largest of its kind ever found at the miner's remote operation in Western Australia.
The company's shares have almost tripled this year, making it the best-performing global miner amid the rebound in commodity prices and a projected fivefold improvement in earnings.