Diamond market in USA

In the last three years the USA diamond and jewelery market dropped from 61.6 billion dollars in 2007 to 59 billion dollars in 2009.
Until 2008, 400 diamond and jewelery stores was closing each year. In 2008 that number is 4.5 times bigger. In 2008 1800 jewelery stores was closed. In 2009 according to the JIRI (Jewelry Industry Research Institute), 750 to 1500 diamond jewelery stores were closed. In the new jewelery retail reality only Wall Mart is doing good with the biggest market share in the USA diamond and jewelery retail business.