Set with an oval-cut unheated Ceylon sapphire, weighing approximately 22.56 carats, with a pavé-set diamond surround and half hoop, mounted in platinum, size 6.  With report no.CS45916 dated 14 September 2011 from the American Gemological Laboratories, stating that the sapphire is of Sri Lanka (Ceylon) origin, wtih no indications of heat. ESTIMATE $80,000-100,000