centering a cushion mixed-cut sapphire, weighing 4,32 carats, within a round and baguette-cut diamond surround. Diamonds approximately 2.10 carats total, ring size 6 1/4 Accompanied by a report from Instituto Gemmologico IGN stating that the sapphire is natural, Sri Lankan, with no indications of heating. Report number 26743, dated 9 January 2019.