centered with an oval mixed-cut natural, no-heat Brazilian Alexandrite weighing well over three carats, accented with two shield step-cut diamonds weighing 0.64 carats, with an estimate color-clarity of F-VS. The Brazil Alexandrite moves from a green-blue color in fluorescent light to a reddish-purple in incandescent light with excellent quality and prominent ( 90 to 100%) degree color-change; the gemological report from AGL also states the origin as Classic Brazil signifying its exceptional quality, with no gemological evidence of enhancement or treatments; Ring Size 6 1/2 US, stamped PLAT.