Diana Kvariani was born in Georgia, in Tbilisi. Her designer career she started in Italy. In 2004 started and three years after graduated from European Institute of Design in Rome, majoring in Fashion Design. After completing her studies in Italy Diana moved to Moscow, and for several years she worked for Russian designers.

In 2013 году the brand Diana Kvariani was established in Georgia and already in 2014 the brand participated in Tbilisi Fashion Week with collection Fall-Winter 2014/15. It was called Dandy Woman. Designer found inspiration in English dandies of 1950s and in style of a typical gentleman of Victorian times.