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This is a genuine Marianovich Gems Certificate of Authenticity.
Demantoid
Marianovich Gemstone Report № 559 361 092 · October 14, 2026
Details
Item DescriptionOne loose stone
Weight2.18 carats
Measurements8.05 x 6.7 x 4.8 mm
ShapeOval
ColorVivid Bright 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.