Top 5 Most expensive smart phones 2015.

5) Gresso Radical Black R2 ($3,000)

The main features are similar to those of Gresso Radical Black R3. The case and the back cover are made from titanium grade 5, the same used in the aerospace industry. You will find black titanium sensor keys.

4) Gresso Radical R2 ($3,000)

This manually assembled smartphone runs on Android 4.1.3 operating system. You will find 18k yellow gold Gresso logo (1g) on this awesome model! The phone weighs 219 grams and offers 36 GB internal storage.

3) Gresso Radical R3 ($3,000)

Gresso Radical R3 runs on Android v4.1.2 (Jelly Bean) mobile operating system. This dual SIM smartphone is powered by Quad Core 1.2 GHz processor. It comes with 8 MP camera. The model offers 4.5 inches display.

2) Gresso Regal Black R3 ($5,000)

Gresso Regal R3 Black Edition features a PVD-coated titanium case and white or yellow 18k gold trim. This phone runs on Android KitKat. It offers features like 5 inches screen, 1.5 GHz processor, 2 GB RAM, 32 GB storage, 13 MP camera and much more!

1) Vertu Aster ($6,900)

Vertu Aster blends stunning aesthetics with superb performance. Vertu has used titanium, leather and fifth generation sapphire. It runs on Android 4.4.2 KitKat. There is 64 GB of internal storage memory and much more! It is definitely a winner!