In 1987, Hagverdiyev began participating in exhibitions in Azerbaijan and across the Soviet Union. In the same year, he converted to Orthodox Christianity, was baptized and took the name "Peter" (Pyotr).[3] Between 1988 and 1991, he was a scholarship holder at the USSR Academy of Arts and participated in its official exhibitions.
In 1990, Hagverdiyev participated in an exhibition of young Azerbaijani artists in France. In 1995, he exhibited in a joint exhibition of Azerbaijani and Turkish artists in Istanbul. His solo exhibitions were held in Tunisia (Tunis, 1991), in Germany (Cologne, 1992) and in Austria (Vienna, 1993). He also participated in art symposiums in Austria, Germany and Baku, Azerbaijan.[4] In 1998–1999, he joined the "Land ART" project with a number of artists, and in 2000, he was awarded the Humay Award as a part of the "Labyrinth" group. From 2000 to 2004, he volunteered on the artistic design of the Michael Archangel Church in Baku.[3] His works have been exhibited in the United States, Germany, Austria, France, Norway and Turkey.[5]
Peter Ujal Hagverdiyev died on 18 December 2004 in Baku.[2]