This loose stone is available for a custom ring by Anueva Jewelry. Select your stone first and then select a setting. Add both to your cart and we'll create your ring! 1.53CT HEXAGON AFRICAN SAPPHIRE, SILKY OPALESCENT PERIWINKLE BLUE, 7.40X7.56X4.03MM. Opalescent periwinkle blue hexagon sapphire with internal silk that gives it a glowy look. Even has some lovely and surprising pink and purple flashes. This sapphire is presumed heated, a permanent treatment for color and clarity. About Heat…