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This is a genuine Marianovich Gems Certificate of Authenticity.
Demantoid
Marianovich Gemstone Report № 226 512 630 · September 18, 2026
Details
Item DescriptionOne loose stone
Weight0.51 carats
Measurements6.05 x 4.4 x 2.41 mm
ShapeOval
ColorVivid Neon Intensity Green
Hardness6.5
TransparencyTransparent
Conclusion
MineralGarnet (Andradite)
VarietyNatural Demantoid
TreatmentUnheated/Untreated
OriginRussia
This is a Marianovich Gems Certificate of Authenticity — an in-house expert opinion issued by Marianovich Gems, not an independent laboratory report — backed by our Authenticity Guarantee. Geographic origin and color are stated as expert opinions, not guarantees.