The stone, described as being of "4 Black Sawables 2 colour" quality with an octahedral shape, was extracted by the company's business unit, Aikhal Mining and Processing Division (MPD).
The mining equipment maker said business conditions continue to be tough mostly due to a slower-than-expected recovery in the global economy and weak commodity prices.
The Nazi gold train saga took a new twist Tuesday when scientists that scanned the area where the wagons were allegedly buried said there is no evidence of such finding.
The $4.4 billion deal involved international financial institutions and export credit agencies representing the governments of the U.S., Canada and Australia, along with 15 commercial banks.