Glistening 6.15ct set of 7 multi-hue Sapphires

This rich matched set of African sapphires present mixed blue and yellow hues that swirl and combine to create green. The lusters of these gems glisten and pop over every facet, and they have translucent bodies. They measure from 6×4.5mm to 6.5x5mm each, and have a Mohs hardness rating of 9 out of 10. Beryllium heated.