3. iPhone 3G King’s Button
For the third most expensive mobile phone in the world is still occupied by a variant of the iPhone, named King’s Button iPhone 3G. The renowned jeweler from Austria Peter Aloisson is the creater of this phone. 138 diamonds are installed on this phone that makes it worth $2.4 million. The beautiful white diamon of 6.6 carats serves as the home screen button which enhances the beauty of this phone.