Haritchavank's Cathedral belongs to the category of "Gandzasar-style" ecclesiastical edifices that were built approximately at the same time in different parts of Armenia, and were endowed with similar compositional and decorative characteristics (another example--Cathedral of the Hovhannavank Monastery).
Haritchavank's Cathedral belongs to the category of "Gandzasar-style" ecclesiastical edifices Thierry, Jean. Antelais, Lebanon, 1991, pages 161-165 that were built approximately at the same time in different parts of Armenia, and were endowed with similar compositional and decorative characteristics (another example--Cathedral of the Hovhannavank Monastery).