Digital Gemological Identification Report
Ratanavali Gems Testing
Gemological Identification Lab
✓
Verified
Specimen Description
One loose faceted gemstone submitted for identification.
Colour
Yellow
Shape & Cut
Oval Mixed Cut
Dimension
10.21 × 8.16 × 5.74 mm
Optic Character
DR
Transparency
Transparent
Specific Gravity
3.99
Refractive Index
1.760–1.770
Magnification
Natural inclusions observed under magnification.
Variety
Yellow Sapphire
Species / Group
Natural Corundum
Identification / Conclusion
Natural Yellow Sapphire
Comment / Treatment
No indications of treatment were observed in the tested specimen.
Issue To
Sample Client
Weight
5.25 ct
Issue Date
2026-09-24
Additional Tests / Notes
R.I., S.G., Magnification, Polariscope, UV and Spectroscope
Gemologist / Tested By
Ratanavali Gemologist
Original certificate file
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