Sadeqi made the remarks in a meeting with Emir of Riyadh, Turki bin Abdullah bin Abd al-Aziz.
Sadeqi said that both Tehran and Riyadh should make use of enormous potentials to boost cooperation on bilateral, regional and international issues.
Referring to the escalation of terrorist threats across the region, the Iranian ambassador said that extremist groups, including Daesh, are seeking to present an unreal and violent image of Islam.
The Emir of Riyadh, for his part, welcomed Iran's policy of reaching out to neighboring countries.
Turki bin Abdullah bin Abd al-Aziz said that his country attaches special significance to relations with the Islamic Republic of Iran, adding that enhanced ties between Tehran and Riyadh would benefit the entire region and the Muslim World as well.
Iranian Foreign Minister Mohammad Javad Zarif on Septenber met Saudi Foreign Minister Prince Saud al-Faisal in New York and expressed hope that a recent meeting with his Saudi counterpart will open a new chapter in efforts to strengthen international peace.
The top Iranian diplomat made the comments following a meeting with Saudi Arabia’s Foreign Minister Prince Saud al-Faisal on the sidelines of the 69th session of the UN General Assembly in New York.
Iranian President Hassan Rouhani has repeatedly underlined Tehran’s determination to improve ties with neighboring Muslim countries, including Saudi Arabia, saying cooperation between Iran and Saudi Arabia will be vital for regional security.
Iran and Saudi Arabia are divided on a number of regional issues such as the situation in Syria and Bahrain.