18ct gold, platinum and diamond 'Cubism' ring, Canturi, the square emerald-cut diamond weighing 2.11 carats is claw-set between shoulders fashioned as a mosaic of baguette and carre-cut diamonds together stated to weigh 0.45 carat, size J1/2, signed Canturi. Accompanied by a GIA report numbered 12107229, dated 15 July 2002, stating the 2.11 carat diamond is E colour, Internally Flawless clarity, together with a Canturi box.