18ct gold and platinum natural fancy intense yellow diamond and diamond ring, Cartier, the cut-cornered square modified brilliant-cut natural fancy intense yellow diamond weighing 4.85 carats is claw-set between trillion-cut diamond shoulders together stated to weigh 0.83 carat, size K, signed Cartier, numbered 89383. Accompanied by: a GIA report numbered 5171188297, dated 3 June 2015, stating that the 4.85 carat diamond is Natural Fancy Intense Yellow colour and SI1 clarity; a facsimile Cartier 'Valuation for Insurance'.