Gemdrop® VERIFIED GEM RECORD

This gem has been independently assessed and recorded within the official Gemdrop® Verification Database.

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Gemdrop® Identification Code

SP-LDN-SB205-6X8-SW13

Verification Record

Origin
Lab-Grown
Date Added
2026-05-31

Gem Details

Mineral
Spinel
Gem Type
Spinel
Shape
Heart
Cut Style
Brilliant
Dimensions (mm)
10x10
Carat Weight
3.895 ct

Appearance and Grading

Colour
London Blue
Colour Grade
Vivid
Clarity
Loupe-clean
Cut Grade
Excellent
Polish
Excellent
Symmetry
Excellent

Scientific Assessment

Refractive Index
1.72
Specific Gravity
3.5-4.1
Fluorescence
Strong
Test Methods
Visual, Optical, RI, Fluoro

Additional Identification

Inscription
None

Gem Description

A 3.90 ct lab-grown spinel in a heart shape with a brilliant cut, displaying a london blue colour. This gemstone has been independently assessed and permanently recorded under Gemdrop® ID SP-LDN-SB205-6X8-SW13.

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Gemdrop® Verification Authority

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

Gemdrop® Ltd
167–169 Great Portland Street
5th Floor
London
W1W 5PF
United Kingdom

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