The GIA Diamond Grading Report (DGR) is generally for diamonds weighing 1 carat and above and the Diamond Dossier for diamonds less that 1 carat. The reports contain the same information - length and detail are the main differences between the two. 

The DGR includes a diagram of the diamond, called the clarity plot, which maps out the grade-setting clarity characteristics (inclusions or blemishes that affect how the diamond is graded). Rather than a map, the Diamond Dossier lists those characteristics.

Understanding Your Report 

1. GIA Diamond Grading Report

This is where you can find the GIA laser inscribed identification number, as well as the diamond’s shape and cutting style (round brilliant or emerald step cut, for example) and its dimensions in millimeters.

2. Grading Results

A breakdown of the diamonds 4Cs: Cut, Color, Clarity and Carat.
Currently, GIA only provides a cut grade for round brilliant diamonds. 

3. Additional Grading Information

Information on polish, symmetry, fluorescence, and any inscriptions or additional comments.

4. Proportion Diagram

A map of the diamond's actual proportions that includes depth, table, girdle, and culet.

5. Clarity Characteristics

This is where you’ll find the diamond’s clarity plot, an approximate map of the number, size, type, and position of its grade-setting inclusions as viewed under a microscope.

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