Manufacturers
GIA to use new descriptive terminology for laboratory-grown diamonds
Until the revised descriptive system for laboratory-grown diamonds is finalised, the current GIA services for laboratory-grown diamonds will continue to be available
The Gemological Institute of America (GIA) has announced that it will start using descriptive terms to characterise the quality of laboratory-grown diamonds and will no longer use the colour and clarity nomenclature that GIA developed for natural diamonds.
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