Diamonds are a rich mans rock. But where do these precious little stones come from? This documentary explores the market for diamonds from war torn areas or “blood diamonds”. This documentary shows us the cost of diamonds. Warning for viewers there are some extreme images.Diamonds are a rich mans rock. But where do these precious little stones come from? This documentary explores the market for diamonds from war torn areas or “blood diamonds”. This documentary shows us the cost of diamonds. Warning for viewers there are some extreme images.