Heated only 4.64ct blue Sapphire set with multiple hues

This heavy 30 piece collection of sapphires is heated only, no dyes, no fillers, just natural Sapphire. They have multiple blue hues from royal to cornflower to navy, 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 perfect for setting. They were sourced from Madagascar, and are simply beautiful.