Color change Diaspore - 2.86 ct

Description
Color change Diaspore - 2.86 ct
It is not known - Cushion

Kind: Diaspore VVS
Сertificate of Gemological center of the Moscow state University
Size: 10,71 x 8,73 x 3,61 mm
Natural/Lab-Created: Natural 
Colour: color change: dark green-yellow and light brown or YG/GY 3/2 - reddish brown O 2/1 by GIA Colored Stone Grading (determined at certification)
Daylight-stone has a green color.
Artificial light - brown color.
By yellow light, the gemstone is brownish red.
On all this photos - the real color!
Clarity: VVS (determined at certification)
Treatments: Laboratory studies have not been conducted. Commonly diaspores are not treated.
Delivery: PTT (Post of Turkey)
Comes with the original certificate of the Gemological center of the Moscow state University No. 259158
The link for authentication is specified in the certificate.
Country of Origin is an opinion offered by the seller of this item. This opinion is not substantiated by an official laboratory.

Lot details
Stone
Diaspore
Total carat weight
2.86
Origin as given on certificate
It is not known
Cut & Shape
Cushion
Certification
MSU Gemmological Centre (Russia)
Colour
Color change
Treatment
No indication of treatments
Transparency/ clarity
Transparent (Clean)
Sealed
No
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