Asmik Grigorian was born in Vilnius in a family of famous singers Irena Milkevičiūtė and Geghamo Grigorian. She studied at the National M.K. Čiurlionis school piano and choral conducting at a later date. In 1999 joined the Lithuanian Academy of Music and Theatre in singing class, completed bachelor's and master's studies in 2006. Studied singing with prof. Irena Milkevičiūtė. Participated in master classes at G. Grigorian, V. Prudnikovas, B. Maisuradze, A. Pagliazzi.
Her repertoire at the Mariinsky Theatre includes:
Lisa (The Queen of Spades)
Suor Angelica (Suor Angelica)
Giorgetta (Il tabarro)
Lauretta (Gianni Schicchi)
Rusalka (Dvořák’s Rusalka)
Her repertoire also includes: Tatyana (Eugene Onegin), Violetta (La traviata), Lauretta (Gianni Schicchi), Donna Anna and Donna Elvira (Don Giovanni), Musetta and Mimi (La Bohème), Nedda (I Pagliacci), Pamina and Papagena (Die Zauberflöte), Micaëla (Carmen), Charlotte (Werther), Mrs Lovett (Sweeney Todd – the Demon Barber of Fleet Street).