Returning from the army, he was persuaded by a friend to join a training session- six months later, he signed for Spartak GM Moscow in Russia.

[3] In France, Gigashvili helped SO Chambéry win the Jean Prat Trophy at the conclusion of 2016–17 Fédérale 1 season.

[4] Following the 2019 Rugby World Cup, Gigashvili signed with Toulon, a move he described as being influenced by previous successful spells at the club for compatriots including Mamuka Gorgodze, Levan Chilachava and Konstantin Mikautadze.

[6] Gigashvili suffered a hamstring injury representing Georgia against Fiji in the Autumn Nations Cup, having started in all their previous games in the competition against England, Wales and Ireland.

[9][10] Gigashvili began the 2022-23 Top 14 season in good try scoring form, crossing the line in victories against Clermont, Pau and Stade Français.