YearTrade ValueWeight (kg)Quantity
2005$1,578,71113,633
2006$3,273,00327,941
2007$7,294,480314,138
2008$4,553,24059,519
2009$1,701,75713,793
2010$3,790,71208,355
2011$4,487,95817,040
Note: Quantity represents Weight in carats