A certification issued by the GIA (Gemological Institute of America) , providing an impartial judgment on the characteristics and quality of a diamond. The GIA grading report includes the following information:
- Date: The date the diamond was examined by GIA
- Report Number: The unique tracking number assigned to each diamond and report.
- Shape (e.g. brilliant round, square modified brilliant)
- Measurements: to the nearest one-hundredth of a millimeter
- Carat Weight: to the nearest one-hundredth of a carat
- Depth %
- Table %
- Girdle Thickness
- Culet Size
- Polish Grade
- Symmetry Grade
- Clarity Grade
- Color Grade
- Cut Grade: for round diamonds only
- Fluorescence Grade
- Laser Inscription: Notes the content of any inscription present on the girdle of the diamond.
- General Comments: Additional identifying characteristics or features not otherwise represented in the report.
- Diamond Plot: showing all inclusions and blemishes found.
- Proportion Diagram: A graphic representation of the diamond’s actual proportions.
- Security Features: A variety of document security features (such as hologram, security screen, micro-print lines) which confirm the authenticity of the report.
View a GIA Diamond Report.