GIA online report : 7332437415 Shape.......................cushion Cut......................Modified Brilliant cut Color........................Greenish Neon Blue Species................ Natural Tourmaline Variety................... Natural paraiba Tourmaline Geographic origin.......... Mozambique Treatment : No indication of treatment Weight : 23.55 carats Measurements : 18.62x16.59x10.39mm Comments : This copper be called “ Paraiba Tourmaline “ in the trade. All Natural pictures ,No filters ,different lights (the color of paraiba Tourmaline can look different at different pictures lights ) 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