Heated only! 6.12ct deep blue sapphire set

This 16 piece collection of sapphires exhibits rich deep blue and blue green hues, and are well matched, measuring between 4.5x3.5mm and 5x3.5mm 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 Madagascar, and present glistening lusters.