 He helped Lithuania win the gold medal at the EuroBasket 2003, the bronze medal at the EuroBasket 2007, and the silver medal at the EuroBasket 2013.Lavrinovič is ethnically Polish.Lavrinovič has a twin-brother, Darjuš, whom he played with at UNICS Kazan in the Russian Superleague, as well as with on the senior men's Lithuanian national basketball team.