563
An Alexandrite and Diamond Ring
One oval alexandrite, 4.39 caratsTen oval diamonds in the surround, totalling 4.40 caratsEmbellished by smaller round alexandritesTitanium(4.39-carat Alexandrite)
<em>Gübelin report, numbered 18031240, dated 16 April 2018, Sri Lanka, no indication of treatments, colour-change from bluish-green (daylight) to purple (incandescent light).</em>