Sovecon, another consultancy, said wheat prices rose by $3 to $247 per tonne, while barley was steady at $233 a tonne.
Demand for Siberian wheat from Kazakhstan, which shares a free customs zone with Russia and is not subject to Moscow's recently-raised grain export taxes, is up significantly, Sovecon said.
Russian wheat with 12.5% protein loading from Black Sea ports for supply in April was at $247 a tonne free on board (FOB) at the end of last week, up $2 from the previous week, IKAR said.
Sovecon, another consultancy, said barley prices fell by $2 to $233 a tonne.