YearTrade ValueWeight (kg)Quantity
2005$1,044,126,05408,509,786
2006$910,119,81807,816,979
2007$1,133,487,660010,539,090
2008$1,773,884,60905,659,648
2009$1,096,570,67107,111,762
2010$1,855,921,6294,4348,271,768
2011$1,947,528,70607,643,281
Note: Quantity represents Weight in carats