Step Cut Alexandrite Cushion, 2.7 cts
In daylight the color is dark very strongly bluish green and under incandescent light medium dark very slightly grayish red-purple. The color change is moderately strong the cutting is good and the stone is exceptionally clean.
Price information
RRP:$ 28075.00
Web:$ 15597.00
Source:Multicolour.com
|
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 :Undisclosed
Specific gravity:3.73
Hardnes:8.50
Refractive index:1.741 - 1.760
Rarity rating:10 (Extremely rare)
Color grade
Color grade 1:vstbG 5/3 (medium very strongly bluish green)
Light source 1:cool daylight
Color grade 2:
rP*5/2 (medium reddish purple)
Light source 2:Incandescent light
Optical phenomena:50%-54% (Moderate) 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:Cushion
Style:Step Cut
Polish:Exceptional
Symmetry:Good
Cut rating:3 (Good)
Measurement
Length:8.81 mm
Width:6.38 mm
Depth:5.29 mm
Weight:2.7 cts
|
