Stone 701 (sold of $20,600,000 in July 2015)

336 carat diamond – How Much IS THIS Raw Diamond Worth?

More on that topic at http://www.911metallurgist.com/blog/infographic-blood-diamonds

Lucara is explicitly committed to the health and safety of its workers.
In the 12 months ended June 30, the company reported only one injury, at its Karowe Mine.