IGI report online : 607373871 Shape....................... Oval Cutting style...............caboshon cut Color..........yellowish Orange Species...................Natural Corundum Variety……..,…….,…..Natural opal Geographic origin........ Africa Weight : 13.03 carats Measurements : 18.66x13.29x9.67mm Comments : None . The stone was selected by Tal Naaman ,Gem Hunter and sent to the IGI Lab in Belgium Country of Origin is an opinion offered by the seller of this item; this opinion is not substantiated by an official opinion of the Laboratory Insured international shipping with Track & Trace DHL