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Gemdrop® Identification Code

ALX--NC-DP-2X7M-T4V9Q

Nocturne [Purple - Green] Alexandrite

Verification Record

Origin
Lab-Grown
Growth Method
Czochralski
Date Added
2026-06-07

Gem Details

Mineral
Chrysoberyl
Gem Type
Alexandrite
Shape
Drop
Cut Style
Modified Brilliant
Dimensions (mm)
6x8
Carat Weight
1.39 ct

Appearance and Grading

Colour
Nocturne [Purple - Green]
Colour Grade
Exceptional
Clarity
Loupe Clean
Cut Grade
Excellent
Polish
Excellent
Symmetry
Excellent

Scientific Assessment

Refractive Index
1.747
Specific Gravity
3.7-3.78
Fluorescence
Strong
Test Methods
Visual, Optical, PS, RI, UV

Additional Identification

Inscription
None

Gem Description

A 1.39 ct lab-grown alexandrite in a drop shape with a modified brilliant cut, displaying a nocturne [purple - green] colour. This gem has been independently assessed and permanently recorded under Gemdrop® ID ALX--NC-DP-2X7M-T4V9Q.

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Gemdrop® Verification Authority

This verification record forms part of the permanent Gemdrop® Verification Database.

Gemdrop® Ltd
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United Kingdom

Verified by:
Dr A. Barnard, PhD (Geology), GEMDROP