OREANDA-NEWS. The Central Bank of the Russian Federation has established the following precious metal prices on May 21, 2007: gold – at the rate of 547.53 roubles per gram; silver – 10.48 roubles per gram; platinum – at the rate of 1005.88 roubles per gram, palladium – 279.71 roubles per gram, goes the report of the Central Bank of the Russian Federation.