YEREVAN. - State Treasury of precious metals and stones agency of the Armenian Ministry of Finance set the following prices for one gram of pure metal for the period of May 14-20:

Gold: purchase AMD 18545.66 (-572.25), sell AMD 20158.33 (-622.01),

Silver: purchase AMD 338.04 (-15.99), sell AMD 367.44 (-17.37),

Platinum: purchase AMD 17394.70 (-648.88),  sell AMD 18907.28 (-705.31),

Palladium: purchase AMD 7191.70 (-598.94), sell AMD 7817.06 (-651.03).