Available reports
Colored Stone Identification Report
Identifies and describes a material and lists detectable treatments. For any polished, loose or mounted material.
Colored Stone Identification & Origin Report
An Identification Report, with geographic origin added. For polished, loose or mounted natural alexandrite, demantoid, emerald, jade, opal, Paraíba tourmaline, peridot, red spinel, ruby, and sapphire only.
Natural Colored Stone Services
Add-On Services
GIA Add-On Services give you further information or security for your natural colored 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.
