Picchiotti 18ct White Gold Square Sapphire and Diamond Ring. PCH210. An embodiment of elegance of luxury, this breathtaking ring boasts seven square cut sapphires and set amongs a glittering array of claw set brilliant cut diamonds totalling embellishing an 18 carat white gold band. 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 ensures a level of satisfaction which has become legendary. Renowned worldwide as a premier manufacturing company of one-of-a-kind pieces. Picchiotti 18ct White Gold Square Sapphire and Diamond Ring