He has currently 61 caps for Georgia, since his first game at the 14–19 loss to Portugal, on 14 February 2004, in Tbilisi, for the Six Nations B. He has scored 6 tries for the "Lelos", with an aggregate of 30 points. Samkharadze was called for the 2007 Rugby World Cup, playing in four games, and for the 2011 Rugby World Cup, playing in two games. He remained scoreless on both occasions.