1956 - First Prize of the Academy of Fine Arts, - Beirut, Lebanon
First Prize of “Biennial of Florence” – Italy
Gold Medal of “ The Group Exhibition of Toscan” – Florence
1957 - Gold Medal of the International Exhibitions at the “Permanente” Gallery, Florence, Italy
1959 - Prize of the French Biennial
1964 - Prize of Fine Arts – German Association of Arts & Culture – Germany.
1968 - First Prize Sursock Museum – Beirut, Lebanon.
1969 - First Prize of “Phillips” – Beirut, Lebanon
1970 - First Prize of “The National Education”, - Beirut, Lebanon.
1874 - Knighted by the German Government
1984 - Knighted by the French Government “Chevalier de l’Ordre, des Arts et des Lettres” - Paris,France.
1985 - Prize of Fine Arts of Mardiros Sarian -Yerevan, Armenia.1986 - Knighted by his His Holiness
The Pope Jean-Paul II, “Chevalier de l’Ordre” of St. Silvestre - Vatican.
Knighted by his His Holiness Karekin the II, Catholicos of Cicilia ,“Chevalier de l’Ordre” of
St. Mesrob Mashdots. Antelias, Lebanon.
1993 - After his passing Guiragossian was Knighted by the Lebanese Government with the Medal of
Honour of the Cedar