Looking ahead, the Grib project in Russia will start production towards the end of 2013, producing an estimated 4 million carats annually, which makes it the first large-scale commercial diamond mine to start up production since 2003.
The PureFunds GEMS ETF tracks about 60% miners and 40% jewelers and services.
PureFunds ISE Diamond/Gemstone ETF
For more information on diamonds related ETFs, visit our diamond category.
Max Chen contributed to this article.