De Beers is considering offering a diamond exchange-traded fund to boost interest in the gems, since prices and production are both down, reports.

Certainly, the firm could be on the right track, given the tremendous assets that commodity ETFs have attracted, like the $33 billion SPDR Gold Shares and $4 billion iShares Silver ETFs.

But given that diamond prices are down 15% from last fall and consumers are shunning luxury goods, calls a diamond ETF “a dicey proposition” for individual investors, suitable only for the hardiest tactician.

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