Shape and Cutting Style: The diamond shape and cutting style.

Measurement: Lists the diamond's dimensions in millimeters.

Carat Weight: The weight of diamond listed to the nearest hundredth of a carat.

Color Grade: A grading which assesses the absence of color in a diamond.

Clarity Grade: Clarity grade determined under 10x magnification.

Cut Grade: A grade of cut as determined by a diamond's face-up appearance, design and craftsmanship. A cut grade is available on round diamonds graded after Jan. 1, 2006.

Finish: Grades that represent a diamond's surface and facet placement.

Polish: Rating the overall smoothness of the diamond's surface.

Symmetry: Measuring the shape, alignment and placement of the diamond's facets in relation to one another as well as the evenness of the outline.

Fluorescence: Color, and strength of color when diamond is viewed under UV light.

Comments: A description of additional diamond characteristics not already mentioned in the report.

Clarity Plot: A map of the approximate size, type, and position of inclusions as viewed under a microscope.

Proportion Diagram: A map of the diamond's actual proportions. A proportion diagram is available on round diamonds graded after Jan. 1, 2006.

Reading a Proportion Diagram
Proportion diagrams will typically include the following information:

Depth: The height of a gemstone measured from the culet to the table.

Table: Located at the top of the diamond, the table is the largest facet of a diamond.

Girdle: Range of girdle thickness.

Culet: Appearance, or lack thereof, of the culet facet.

Click Here to see an example of a GIA Diamond Grading report for one of our diamonds.