​© 2019 by Gem Stone Company.

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Turquoise is one of the oldest minerals to be adorned by humans. It's bluish-green hues is one of the most characteristic and impressive colors used in jewelry nowadays.

Turquoise originates from various mines around the world and their hues and luster vary accordingly.

GSC primarily deals with Chinese & North American Turquoise (Sleeping Beauty Turquoise).

Turquoise can be heavily treated or reconstructed. As a result, GSC offers GIA Identification Reports to customers looking to certify the origin of their Turquoise.