Earlier on Monday, a Turkish off-duty police officer shot and killed Karlov at an art exhibition ceremony.
In a press release, the Egyptian Foreign Ministry urged all countries of international conventions to provide protection to diplomatic missions, specially amid the ongoing threats of terrorism.
The ministry extended condolence to Russia and its people, voicing Egypt's support for Moscow in its war against terrorism.
The Yeni Safak daily said on its website that the killer named Mevlut Mert Altintas was a member of of Ankara's riot police squad. He was later killed in a shootout with police.
Karlov, who had been serving in Turkey since 2013, was shot in the back while making a speech at a painting exhibition in the Turkish capital, the Russian embassy said.
Russian Foreign Minister Sergey Lavrov made clear later that the meeting of would be held on Tuesday as planned.