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

Size              : 6.9x5.5x3.9 mm
Color            : light Blue
Cut               : Square Cushion
Clarity          : Slightly included 
Weight         :  1.20 ct
Origin          : Afghanistan
Stone           : Tourmaline
Certificate   : On buyer demand (buyer will pay the cost):
Treatment   : none