The 23-year-old, who can play either on the wing or at full-back, will become the first Russian to play in the Premiership when he joins Saints after the World Cup.
Artemiev, a former school-mate of Luke Fitzgerald at Blackrock College, impressed during the 2010 Churchill Cup - scoring tries in all three of his appearances, including against England Saxons.
Artemiev believes that the chance to play for Northampto