Rumours abound that Anglo-Australian giant Rio Tinto is not likely to follow rival BHP Billiton and dispose of its diamond business outright, but that it has much more ambitious plans.
See http://www.mining.com/rio-tinto-buffing-a-diamond-float-to-rival-de-beers-31730/?utm_source=digest-en-mining-121119&utm_medium=email&utm_campaign=digest.