Sigua is a youth product of Rustavi and Saburtalo Tbilisi. He then moved to the youth academy of Dinamo Tbilisi at the age of 13.[2] He won the U17 Aleksandre Chivadze medal in 2021, recognition for the best young Georgian talents in the year. He made his senior debut with Dinamo Tbilisi in a 2–1 Georgian Cup win over Samtredia on 7 August 2022.[3]
On 25 July FC Basel announced that had signed Sigua on a five-year contract.[5] He joined Basel's first team for their 2023–24 season under head coach Timo Schultz. Sigua played his domestic league debut for his new club in the home game in the St. Jakob-Park on 13 August, coming on as a substitute in the 78th minute, as Basel were defeated 2–1 by Lausanne-Sport.[6] He scored his first league goal for his new team in the home game on 3 September. Coming on as substitute in the 70th minute, he scored the equaliser in the 5th minute of added time as Basel played a 2–2 draw with Zürich.[7]
International career
Sigua is a youth international for Georgia, and was called up to the senior Georgia national team for a set of matches in March 2023 at the age of 17.[8] He made his international debut with Georgia in a 6–1 friendly win over Mongolia on 25 March 2023.