Full quality assessment, colour grade and clarity plot. Identifies natural vs. treated colour. For loose, natural, coloured diamonds 0.15 carats or more.
Full 4Cs assessment with a plotted clarity diagram, geographical origin and GIA report number laser inscription. For loose, natural, coloured diamonds only, weighing 0.15 carats or more that were submitted for rough analysis.
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Describes the colour origin (natural vs. treated) for loose or mounted, natural, coloured diamonds of any size. Colour grade included for loose coloured diamonds.
View Sample ReportGIA Add-On Services give you further information or security for your natural coloured diamond.
GIA Follow-Up Services verify, re-evaluate or update results from your original GIA Report.
GIA Specialist Services offer further analysis and information on your noteworthy natural coloured diamonds.
GIA Batch Services utilise GIA-developed technology to analyse and sort natural coloured diamonds based on varying test types.
Use GIA’s free online tool to estimate a cut grade.
