Yes, because it sounds so cool. The first thing that comes into your mind when hearing that name is diamonds and cutey.
Okay that's two things, but the the very fact that this name was first recorded at the very beginning of recorded history is an indication of it's great distinction and noble ancestry. Now, as a feminine given name, Diana derives from the Latin word meaning 'divine, pure'. In it's Spanish derivation, it means 'goddess'. From the Greek, it means 'divine queen'. Diana was the Roman Goddess of the hunt and moon and birthing.
According to the BabyNames website (listed below as a related link) the name is currently ranked (January, 2012) at Number 165 in US births. It's mostpopular year was 1957, when it was ranked at Number43.
Gennaro Diana's birth name is Gennaro Diana.
Diana Canova's birth name is Rivero, Diana.
Diana Castle's birth name is Diana Szlosberg.
Diana Tenes's birth name is Diana Rodriguez.
Diana Vreeland's birth name is Diana Dalziel.
Diana Sinden's birth name is Diana Mahony.
Ghinea Diana's birth name is Diana Ghinea.
Diana Muldaur's birth name is Diana Charlton Muldaur.
Diana Sainz's birth name is Diana Raquel Sainz.
Diana Sands's birth name is Diana Patricia Sands.
Diana Maggi's birth name is Diana Graziosa Maggi.
Diana Mariscal's birth name is Mariscal Romero, Diana.