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Gemstone Identification Report
Natural Gemstone Analysis
Report No.
IGL-RPT-2026-000010
Issue Date: 08 September 2026
Specimen Information
SpeciesNatural Corundum
VarietyNatural Ruby
Weight4.18 Carats
Dimensions9.12 x 7.45 x 4.88 mm
Shape & CutOval Mixed Cut
ColorVivid Pigeon Blood Red
ClarityTransparent with Characteristic Inclusions
OriginMyanmar (Burma)
TreatmentNo Indications of Heating (NTE)
CommentsMicroscopic inclusions confirm natural unheated origin.
Specimen Photo
1:1 SCALE
Image of tested specimen
(approximate representation)
(approximate representation)
AUTHENTIC
ACCURATE
TRUSTED
Identification Result
NATURAL RUBY
Natural Corundum
The studied specimen is identified as a natural ruby (corundum). No indications of heating or other treatments were detected at the time of testing.
Testing Methods
Refractive Index (RI)
Specific Gravity (SG)
Microscopic Examination
Spectroscopic Analysis
UV-Vis Spectroscopy
FTIR Analysis
Raman Spectroscopy
Laboratory Remarks
This official report is based on gemological characteristics of the specimen examined at the time of testing under 10x-60x magnification, FTIR, and UV-Vis spectroscopy.
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EST. 2020
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