Glossary Blog » gia

A microscopically crystalline variety of quartz forming in almost transparant to translucent masses...

A gemologist is a title granted by a gemological institute such as the American Gem Society (AGS) or the Gemological Institute of America (GIA)

Cat's Eye is the name given to a gem which, when cut cabochon, shows a single light streak across its face. It is caused by innumerable parallel inclusions, of minute needle-like crystals or tubular cavities, the sides of which reflect light.

A Canary diamond.A fancy diamond with a strong, pleasing yellow color.