It's a beautiful natural faceted cut handmade Lagoon color  tourmaline loose gemstone for jewelry from Afghanistan. All the pictures were taken by iPhone 8 plus in natural diffuse light.

Weight         : 1.55 CT 
size              :  6.1 x 5.6 x 5 mm
Color            : Neon Blue
Cut               : Cushion
Clarity          : Included
Origin          :  Afghanistan
Stone           : Tourmaline
Certificate   : On buyer demand (buyer will pay the cost):
Treatment   :  none