NGB-000008
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NATURAL GEMS BELGIUM
Professional Gem Evaluation
Reference No. NGB-000008
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VERIFICATION STATUS
Verified
This gemstone has been individually evaluated and permanently registered by Natural Gems Belgium.
This verification page confirms the identity and authenticity of the gemstone referenced above.
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GEMSTONE IDENTIFICATION
Species
Zoisite
Variety
Tanzanite
Weight
0.036 ct
Dimensions
2.0 × 2.0 mm
Shape / Cut
Round Brilliant
Colour
Light Violet Blue
Treatment
Gently Heated
Origin
Unknown
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NGB GEM EVALUATION
Overall Score
97 / 100
Quality Grade
PREMIUM+
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INDIVIDUAL QUALITY ASSESSMENT
Colour.......................24 / 25
Clarity......................19 / 20
Cut & Symmetry...............24 / 25
Brilliance...................15 / 15
Overall Appearance...........15 / 15
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PROFESSIONAL EVALUATION
This natural Tanzanite has been professionally evaluated according to the Natural Gems Belgium Professional Gem Evaluation Standard (NGB-PGES).
The gemstone displays an attractive light violet-blue colour combined with excellent brilliance and pleasing transparency. Its round brilliant cut is well proportioned and exhibits very good symmetry, producing lively light performance despite its calibrated size.
No visible chips or surface damage were observed during the evaluation.
This gemstone achieved an Overall Score of 97/100 and has been awarded the NGB PREMIUM+ Quality Grade.
Evaluation performed in accordance with the Natural Gems Belgium Professional Gem Evaluation Standard (NGB-PGES).
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AUTHENTICITY STATEMENT
The gemstone displayed on this verification page has been individually evaluated and registered by Natural Gems Belgium. The photographs presented on this verification page represent the exact gemstone referenced above. Each Natural Gems Belgium Reference Number is unique, permanently assigned and shall never be reused.
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ONLINE REGISTRY
Reference Number
NGB-000008
Evaluation Date
06 August 2026
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End of Verification Record
Natural Gems Belgium
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