Heated only! 2.80ct blue Sapphire set

This 16 piece collection of sapphires exhibits a mix of rich royal blue and cornflower blue hues with swirling saturation, and are well matched in size measuring between 2.5mm and 3mm each. They were heated only, with no dyes or fillers, and have a Mohs hardness rating of 9 out of 10. These gems were sourced from Africa, and present glistening superior lusters.