Picchiotti 18ct white gold 186ct ruby 146ct diamond cluster ring ra49 this ring is from the designer picchiotti the overall frame of the ring is made with 18 carat white gold the central stone contains an oval cut ruby 186 carats held with 8 claws made of 18 carat yellow gold the central stone is framed with 8 pear cut white diamonds giving a truly unique twist on a traditional design diamond quality f gvs totalling 146 carats dimensions 8mm x 7mm central ruby stone 15mm x 13mm inclu