Analysis & Grading
Natural Colored Diamond Reports & Services Details
Natural Diamond Reports
GIA colored diamond reports describe the color origin and color grade for natural colored diamonds. The reports will identify shape and cutting style, carat weight, measurements of the diamond and also if any color or clarity treatments are present. Multiple security features on GIA colored diamond reports ensure their authenticity. Reports can include a digital photograph of the diamond upon request.
Add-On Services
GIA Add-On Services give you further information or security for your colored diamond. Must accompany a Report Service or Follow-Up service. Certain services can be expedited for an additional fee; exceptions will apply.
Follow-Up Services
Verify, re-evaluate or update results from your original GIA Report through GIA Follow-Up Services.
Specialty Services
GIA Specialty Services offer further analysis and information on your noteworthy colored diamonds. Services are customized with in-depth information specific to your colored diamond. Various levels of service are available depending on your needs.
Batch Services
GIA Batch Services utilize GIA-developed technology to analyze and sort colored diamonds based on varying test types. Minimum submission quantities vary by service.
Frequently Asked Questions
- Which analysis and grading services are offered at each laboratory location?
- How do I pay for analysis and grading services?
- Why does a diamond have to be loose for the Diamond Grading Report and Colored Diamond Grading Report?
- How does the colored diamond grading system differ from the D-to-Z diamond grading system?
- How does GIA grade color in Fancy colored diamonds?
Resources
LAB RETURN DATES
ANALYSIS & GRADING FEES
MY LABORATORY
FACETWARE CUT ESTIMATOR
Free online tool to estimate a cut grade, simply by entering the proportion and finish information.




