An Edwardian Platinum Topped Gold, Burmese Color Change Sapphire and Diamond Pendant, containing one oval mixed cut sapphire measuring approximately 11.50 x 10.77 x 4.75 mm and weighing approximately 5.56 carats, together with 14 old mine cut diamonds weighing approximately 1.54 carats total.Accompanied by an American Gemological Laboratories sapphire identification and origin certificate number CS 1078430, dated September 20, 2016, stating Origin: Burma (Myanmar), Enhancement: No gemological evidence of heat, Clarity Enhancement: None, Color: Blue and Purple, Degree of Color Change: Strong (70-80%), Quality of Color Change: Very Good. 4.00 dwts.