Gemstone ETF

Country allocations include UK 28%, Hong Kong 25%, Canada 20%, US 15%, Japan 7% and Sinapore 5%.

Potential investors should be aware that the fund has $1.1 million in assets and trades with an average daily volume of 5,326, so make sure to utilize limit orders to take better control over trades.

PureFunds ISE Diamond/Gemstone ETF

For more information on miners, visit our metals & mining category.

Max Chen contributed to this article.