Gresso shows us the Black Diamonds Collection of mobile phone for the rich. The Black Diamond Collection has 2 models, the Black Diamonds and Royal Black Diamonds.
The Royal Black Diamonds phone features 23 function keys that are made of gold 2.53K of black diamonds. The Black Diamonds model has also but less Black Diamonds. There are 4 black diamonds (0,44K) for the navigation keys. Other than the number of Black Diamonds, the 2 models share the same phone features a 65k color LCD display framed with Sapphire crystal glass, Bluetooth 64MB internal memory, up to 2GB of external memory.
The two Black Diamonds phone runs the Windows Mobile 6 OS. The two models of Black Diamonds are priced at 9000 Euro and 30000 Euro respectively.