[2] Before the start of the 2020–21 Armenian Premier League season he returned to Urartu.

[3] On 20 December 2022, he terminated contract with his native club by mutual agreement.

[5] On 15 March 2024, he received his first call-up to the Armenian senior national team for a friendly matches against Kosovo and Czech Republic respectively, replacing Nair Tiknizyan who previously left the squad due to injury.

[6][7] Grigoryan made his debut for the Armenia national team on 22 March 2024 in a home friendly against Kosovo, coming off the bench.

[8] He was withdrawn from the squad for the away friendly match against the Czech Republic due to the absence of a Schengen visa.