Unheated! 3.14ct set of Songean Sapphires

These sapphire have blue green hues with light saturation, giving them a gorgeous silvery tone. They each display glistening superior lusters, and glitter with petite flashing. They measure between 5x3.5mm and 4x3.5mm, and have a Mohs hardness rating of 9 out of 10. Sourced from Songea, Africa. Untreated!