Sapphire 2.18 ct tanzanite A top-colored tsavorite from small-scale

A top-colored tsavorite from small-scale mining in Voi

In our opinion

Our internal gemological tests showed no signs of heat treatment

bright rhodolite from the classic Umba Valley deposit in Tanzania

Sapphire 2.18 ct tanzanite A top-colored tsavorite from small-scaleAn absolutely amazing bi color color zoned sapphire from small scale mining in Madagascar, cut into a classic mixed cushion cut. A truly amazing gem. The rough was purchased as unheated at the mine, but it has not yet been submitted to the lab. Over 90% of these rough pieces are unheated, though sometimes miners heat the rough directly at the mine. For this reason, we offer this sapphire as heated (even though it is very likely unheated) until it is