Picchiotti 18ct white gold 315ct diamond abstract multi stone necklace 7957 this exquisite abstract necklace from picchiotti features multi coloured central stones claw set within 18 carat yellow gold which are surrounded by claw set white diamonds set within 18 carat white gold every piece of picchiotti jewellery is created in house at their own workshops in valenza italy with a keen eye for quality both in craftsmanship and materials the personal supervision of the picchiotti family ens