Step Cut Alexandrite Oval, 5.16 cts
The stone reveals a moderate to significant color change from a vibrant greenish yellow in fluorescent light to a grey-pink color in incandescent light. The stone is very bright and well cut for an alexandrite.
Price information
RRP:$ 14860.00
Web:$ 8256.00
Source:Multicolour.com
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Enhancement
Variety of work:Faceted stone
Enhancement:A (Not currently known to be enhanced)
Treatment:N/A
Classification
Identification:Natural
Species:Chrysoberyl
Variety:Alexandrite
Origin :Tanzania, Tunduru
Specific gravity:3.73
Hardnes:8.50
Refractive index:1.741 - 1.760
Rarity rating:10 (Extremely rare)
Color grade
Color grade 1:styG*6/2 (medium dark strongly yellowish green)
Light source 1:cool daylight
Color grade 2:
PR/PR*5/2 (medium red-purple or purple-red [pink])
Light source 2:Incandescent light
Optical phenomena:N/A Color change (Alexandrite effect)
Color rating:0 (Undisclosed)
Clarity grade
Brilliance:Exceptional
Transparency:Transparent
Clarity grade (GIA):eye clean
Clarity rating:5 (Exceptional)
Cut grade
Shape:Oval
Style:Step Cut
Polish:Exceptional
Symmetry:Good
Cut rating:3 (Good)
Measurement
Length:12 mm
Width:9.3 mm
Depth: mm
Weight:5.16 cts
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