Analysis and Grading
Natural Colored Diamond Reports & Services
Available reports
Diamond Grading Report
Full quality assessment, color grade and clarity plot. Identifies natural vs. treated color. For loose, natural, colored diamonds 0.15 carats or more.
Diamond Origin Report
Full 4Cs assessment with a plotted clarity diagram, geographic origin and GIA report number laser inscription. For loose, natural, colored diamonds only, weighing 0.15 carats or more that were submitted for rough analysis.
Colored Diamond Identification and Origin Report
Describes the color origin (natural vs. treated) for loose or mounted, natural, colored diamonds of any size. Color grade included for loose colored diamonds.
NATURAL DIAMOND SERVICES
Add-On Services
GIA ADD-ON SERVICES GIVE YOU FURTHER INFORMATION OR SECURITY FOR YOUR NATURAL DIAMOND.
Follow-Up Services
GIA FOLLOW-UP SERVICES VERIFY, RE-EVALUATE OR UPDATE RESULTS FROM YOUR ORIGINAL GIA SERVICE.
Specialty Services
GIA SPECIALTY SERVICES OFFER FURTHER ANALYSIS AND INFORMATION ON YOUR NOTEWORTHY NATURAL COLORED DIAMONDS.
Batch Services
GIA BATCH SERVICES UTILIZE GIA-DEVELOPED TECHNOLOGY TO ANALYZE AND SORT NATURAL COLORED DIAMONDS BASED ON VARYING TEST TYPES.
