The GIA set the standard for diamond grading and gemmological identification, and their grading system serves as the international gem and jewellery industry's benchmark credentials. This dossier describes the following:
Laser Inscription Registry Each diamond with a GIA Diamond Dossier is laser inscribed with the report number.
Shape and Cutting Style Description of diamond shape and cutting style.
Measurement Diamond dimensions.
Weight Weight of diamond listed to the nearest hundredth of a carat.
Depth Depth (for round diamonds) and/or width (for fancy shapes) relative to diameter.
Table Table facet (for round diamonds) and/or width (for fancy shapes) relative to diameter.
Girdle Range of girdle thickness.
Culet Appearance of culet facet.
Finish Grades of polish and symmetry.
Clarity Clarity grade determined under 10x magnification.
Colour Grade of colour.
Fluorescence Colour, and strength of colour when diamond is viewed under UV light.
Comments Description of additional diamond characteristics not mentioned in the report.