Violetish-Blue SapphireVioletish-Blue SapphireSri LankaA large and lovely sapphire of classic appearance for the locality. Faceted as a cushion modified mixed-cut, the natural dichroism of sapphire is well-displayed and one can observe violet or blue depending upon the angle of observation. A fine and desirable gem which many gemologist would term a "color-shift" sapphire. Weighing approximately 20.54 carats and measuring 17.02 x 12.66 x 10.04mm Accompanied by an American Gemological Laboratories numbered 1118012 dated October 22, 2021 stating that the 20.54 carats natural violetish blue sapphire shows no gemological evidence of heat or clarity enhancement and that the stone originates from Ceylon (Sri Lanka) based on available gemological information.