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Quick Test Samples: IGL-RPT-2026-000010 (Approved) | IGL-RPT-2026-000001 (Issued) | IGL-REV-2026-000404 (Revoked) | IGL-DFT-2026-000099 (Draft)

REPORT APPROVED Status: APPROVED

IGL-RPT-2026-000010

Approval Date: 08 September 2026

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Official Gemstone Identification Report

Single-Source 1:1 Official Layout

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Gemstone Identification Report

Natural Gemstone Analysis

Report No.

IGL-RPT-2026-000010

Issue Date: 08 September 2026

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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)

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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