18ct white gold and diamond 'Cubism Plain' ring, Canturi, the 11.50 mm wide band comprising an open work mosaic of polished alternating square and rectangular plaques, the top ones pave-set at intervals with brilliant-cut diamonds together weighing approximately 0.81 carat, size R, signed Canturi. Accompanied by a Canturi appraisal numbered MV3706115, dated 24 May 2011.