YearTrade ValueWeight (kg)Quantity
2005$146,325025,494
2006$160,055040,005
2007$1,536,0480129,675
2008$1,938,771057,533
2009$1,533,08162240,917
2010$2,372,37687761,330
2011$1,927,2345867,192
Note: Quantity represents Weight in carats