Beautiful 6.78ct yellow green Sapphire set

This 4 piece collection of sapphires exhibits a mix yellow and green hues with swirling saturation, and have varied cuts measuring between 10x6.5mm and 8x7.5mm each. Not to mention the cut! These sapphires features smooth bottom cuts and a rose cut dome that glitters in the light. They were beryllium 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.