GIA to change color & clarity range of the product
GIA developed & to use new descriptive terminology for LGDs Beginning later this year, GIA (the Gemological Institute of America) will start using descriptive terms to characterize the quality of laboratory-grown diamonds and will no longer use the color and clarity nomenclature that GIA developed for natural diamonds. The Institute will continue to accept laboratory-grown diamonds for evaluation and identification. The revised GIA description system for laboratory-grown diamonds will confirm that the submitted item is a laboratory-grown diamond and whether it falls into one of two categories, ‘premium’ or ‘standard.’ The categories will be defined by a combination of metrics related to color, clarity and finish. If the man-made diamond fails to achieve the minimum standard for quality, it will not receive a designation from GIA. Until the revised descriptive system for laboratory-grown diamonds is finalized, the current GIA services for laborator...