GIA online report : 1339765407 Shape.......................pear Cut......................Modified Brilliant cut Color........................Greenish Blue Species................ Natural Tourmaline Variety................... Natural paraiba Tourmaline Geographic origin.......... Africa Treatment : No indication of treatment Weight : 6.68 carats Measurements : 16.36x9.10x7.15 mm Comments : This copper be called “ Paraiba Tourmaline “ in the trade. The stone was selected by Tal Naaman ,Gem Hunter and sent to the GIA Lab in New York 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