OREANDA-NEWS. The Central Bank of the Russian Federation has established the following precious metal prices on April 28, 2007: gold – at the rate of 556.68 roubles per gram; silver – 10.80 roubles per gram; platinum – at the rate of 978.50 roubles per gram, palladium – 283.39 roubles per gram, goes the report of the Central Bank of the Russian Federation.