"The wreck of the jet and the bodies are found", the head of the Turkish Red Crescent humanitarian organisation, Kerem Kinik, tweeted late last night (South African time).
It was reportedly travelling from the United Arab Emirates to Istanbul when the incident happened.
In addition to Mina Basaran and her friends, three crew were also killed in the crash.
Iranian emergency management officials said all the passengers were young women, according to state television IRNA.
After the plane crashed, villagers reached the site and found only badly burned bodies. He also said they would require DNA tests to formally identify those on board.
The flight took off Sunday from Sharjah in the UAE.
Flight-tracking website FlightRadar24 writes the plane gained altitude and within minutes dropped drastically.
Turkey's private Dogan News Agency identified the plane as a Bombardier CL604, tail number TC-TRB.
Mr Basaran is the chairman of Basaran Investment Holding, said to be the owner of the private jet involved in the crash.
On Thursday she posted a photograph on Instagram showing her standing on the tarmac in front of the plane wearing a jacket that says '#bettertogether Mrs Bride'.
Representatives from Turkey together with relatives of the victims are scheduled to arrive at Shahr-e Kord airport within hours, Jafar Mardani told the Islamic Republic News Agency (Irna).
Mina Basaran, 28, flew to the UAE with her friends last week for a hen party and had been posting photos of their trip on her Instagram account, the last of which was showed eight women posing in pink and white bath robes at a Dubai hotel on Saturday.
Basaran Investment Holding, which has been active since 1930s in Turkey, has widespread investments, from hazelnut production and energy, to tourism and and construction.
A video posted to her account showed the friends at a Rita Ora concert in the city.
On the telephone, Recep Tayyip Erdogan on Monday offered condolences to Huseyin Basaran, the father of Mina Basaran, according to a Turkish presidential source, who asked not to be named due to restrictions on talking to the media.
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