How to Read a GIA Diamond Report
How to Read a
GIA Diamond Report
A GIA report contains a story in numbers, grades and measurements. Learn where to look — and what each detail tells you about a diamond.
GRADING REPORT
Find the Report Number
Start here. The unique report number connects the document to the diamond's grading record.
Know What You Are Looking At
The shape and cutting style tell you the diamond's basic visual form and cutting category.
Read the Four Grades
Look Beyond the Grade
Measurements show the diamond's physical dimensions and help you understand its proportions.
Check Polish & Symmetry
These details describe aspects of the diamond's surface finish and facet alignment.
Notice the Additional Details
Fluorescence and other report observations add further information about the diamond.
Read It
In This Order.
Report number + shape
Carat + color + clarity + cut
Measurements + proportions
Finish + fluorescence + notes
The 4Cs
At a Glance.
Carat
The diamond's weight, expressed in carats.
Color
The diamond's color grade as recorded on the report.
Clarity
The clarity grade assigned through diamond examination.
Cut
The cut grade for applicable diamond shapes.
A Report Describes
The Diamond.
A grading report is an important reference, but reading the document is only one part of choosing a diamond.
The diamond's appearance, proportions and overall visual beauty should also be considered.
Read The Paper.
See The Diamond.
Understanding the report turns unfamiliar numbers and grades into useful information for your diamond decision.
