Alexandrite and diamond ring, the round alexandrite weighing approximately 5.50 carats is claw set surrounded by round brilliant cut diamonds, to diamond set shoulders and gallery, mounted in 18ct white gold, size M. Accompanied by a C. Dunaigre, Switzerland gemstone report numbered Cdc 1009191, dated 23 September 2010, stating that the alexandrite (natural chrysoberyl) displays colour change from green (daylight) to purple (incandescent light) and is of excellent quality grade.