YearTrade ValueWeight (kg)Quantity
2005$1,052,17413,275,39337,215,604
2006$1,404,20100
2007$2,154,7145,13925,695,000
2008$2,450,1407,57737,885,000
2009$2,056,35020,293101,465,000
2010$2,434,17514,52672,630,000
2011$1,537,3606,18630,930,000
Note: Quantity represents Weight in carats