Dark grey sapphire displaying a sheen, contrasting with denim-blue colour zoning - stunning. Well polished with great light reflection from the faceted tops. Oiled.
Stunning and unusual gemstones, suitable for the collector or the jeweller looking for something a little different. The blue colour zone in one of these pieces displays the 6-sided growth structure of the sapphire crystal.
Information for jewellers about working with this gemstone can be found in the Jewellers’ quick reference guide to working with gemstones
Please note you will receive the stones in the photograph