Sapphire 0.87 ct singlegem A set of unheated Australian

A set of unheated Australian sapphires beautifully cut into marquise shapes

A saturated bluish-green Sapphire from small-scale mining in Diego

A purplish sapphire from Madagascar

A fine pink spinel from small-scale mining in Luc Yen

it's common practice for miners to heat the stones shortly after extraction

Sapphire 0.87 ct singlegem A set of unheated AustralianAn almost glowing bluish green Sapphire from small scale mining in Ilakaka, Madagascar, with beautiful natural inclusions. Emerald cut. Disclaimer: This Sapphire was purchased as unheated rough directly at the mine. Our internal examination showed no signs of heat treatment, and in the past, over 95% of this material has been confirmed as unheated by external laboratories. If you would like verification by an external gemologist or laboratory, we can