Alexandrite and diamond ring, the octagonal-shaped colour change alexandrite weighing 4.56 carats, is claw-set between a pair of trilliant-cut diamonds together weighing approximately 0.60 carats, to pave-set diamond shoulders and a continuously engraved half hoop, mounted in platinum, size I., accompanied by a GIA report numbered 5222394341, dated 15 April 2022, stating that the 4.56 carat colour-change alexandrite is natural.