Analysis & Grading
Colored Stone Reports & Services
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Available Reports
Colored Stone Identification Report
Identifies and describes a material and lists detectable treatments. For any polished, rough, loose or mounted material.
View sample reportColored Stone Identification & Origin Report
An Identification Report, with geographic origin added. For polished, rough, loose or mounted natural Ruby, Sapphire, Emerald or Tourmaline only.
View sample reportColored Stone Analytical Report
An Identification Report, plus all the data from which results were derived. For any polished, rough, loose or mounted material.
Back to available reports
Comparison Chart
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Colored Stone Identification & Origin Report
Ruby, sapphire, emerald, and tourmaline only
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Colored Stone Analytical Report
Any material, any size
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| Approximate Cost | $ 120 * | $ 170 * | $ 350 * |
| Full Gemological Exam |
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| Weight |
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| Measurements |
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| Shape |
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| Cutting Style |
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| Transparency |
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| Color |
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| Identification Conclusion |
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| Tested for Treatments |
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| Origin |
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| Results & Observations |
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| Full Color Image |
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*Note: prices shown for ruby, sapphire, emerald, alexandrite and tourmaline under 3.00 ct.
**If origin can be determined and is applicable to the gemstone type.
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**If origin can be determined and is applicable to the gemstone type.
Colored Stone Services
Quality Assurance Service
Testing/sorting to separate natural from synthetic materials or to identify specific treatments. Results delivered in a spreadsheet.
Damage Assessment
Identifies and describes any damage since the gemstone was last polished. Results delivered in Identification Report format.
GIA Gem PassBookâ˘
Attractively priced 50-voucher booklet for colored stone identification and country-of-origin services. Vouchers redeemable at any GIA lab location.
Frequently Asked Questions
- Which analysis and grading services are offered at each laboratory location?
- How do I pay for analysis and grading services?
- On a Laboratory report for a treated emerald, what does F1, F2 and F3 mean?
- What does heat treated mean?
- Why doesn't GIA issue grading reports for colored stones?
- How does GIA test colored stones?
Resources
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Lab Turnaround Times
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Analysis & Grading Fees
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GIA Locations
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