Heated only 4.46ct blue Sapphire set with multiple hues

This 30 piece collection of sapphires is heated only, no dyes, no fillers, just natural Sapphire. The blue hues travel through royal, cornflower, and navy, and are all wrapped in excellent lusters. They are well matched in size, measuring between 2.5mm and 2.7mm and have a Mohs hardness rating of 9 out of 10, making them absolutely perfect for setting! They were sourced from Madagascar, and are simply beautiful.