Harry Winston has sold its retail brand for $1 billion and is continuing to invest in diamond mining. They are very bullish on mining and say it is more profitable than retail sales with margins more than twice as much.  

The diamond market is having a little shake-up and I like it. 

http://www.bloomberg.com/news/2013-01-15/harry-winston-to-use-swatch-cash-for-diamonds-purchases.html