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This is a genuine Marianovich Gems Certificate of Authenticity.
Alexandrite
Marianovich Gemstone Report № 318 517 042 · August 12, 2026
Details
Item DescriptionOne loose stone
Weight0.31 carats
Measurements4.05 x 4 x 3 mm
ShapeRound
ColorBluish Green (daylight) to Mauve-Purple (incandescent)
Hardness8.5
TransparencyTransparent to Semi-Transparent
Conclusion
MineralChrysoberyl
VarietyNatural Alexandrite
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.