The Carlsbad and New York laboratories and schools will be closed on Monday, 28 May in observance of the Memorial Day holiday. These locations will resume regular business hours on Tuesday, 29 May.
Full quality assessment, colour grade and clarity plot. Identifies natural vs. treated colour. For loose coloured diamonds 0.15 carats or more.
Describes the coloured diamond’s colour grade and identifies natural vs. treated colour. For loose or mounted coloured diamonds of any size.View Sample Report
GIA Add-On Services give you further information or security for your coloured diamond.
GIA Follow-Up Services verify, re-evaluate or update results from your original GIA Report.
GIA Specialty Services offer further analysis and information on your noteworthy coloured diamonds.
GIA Batch Services utilise GIA-developed technology to analyse and sort coloured diamonds based on varying test types.
Easily download grading results and PDFs of multiple reports at once.Learn More
Questions? Call +1 800 421 7250 ext 7590 or
+1 760 603 4500 ext 7590