GRS report online : 2017-109580 Shape..................0val Color.......................pinkish orange Species................... Natural corundum Variety.............Natural padparadscha sapphire Geographic origin........Srilanka Ceylon Treatment : heated only Weight : 3.79 carats Measurements : 9.73x7.73x5.08mm Comments : None Srilanka padparadscha is the best quality padparadscha in the world. The stone was selected by Tal Naaman ,Gem Hunter and sent to the GRS Lab in SWITZERLAND Country of Origin is an opinion offered by the laboratory GRS Switzerland Insured international shipping with Track & Trace #sapphirecollection