Step Cut Alexandrite Pear, 7.24 cts
Dark violet-green in daylight and red under incandescent light, the color change is strong. The stone is exceptionally clean and well cut. Alexandrites this large and this clean are very rare.
Price information
RRP:$ 62553.00
Web:$ 34752.00
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:vstbG 8/3 (very dark very strongly bluish green)
Light source 1:cool daylight
Color grade 2:
slp/R*6/4 (medium dark slightly purplish red)
Light source 2:Incandescent light
Optical phenomena:75%-79% (Strong) 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:Pear
Style:Step Cut
Polish:Exceptional
Symmetry:Exceptional
Cut rating:5 (Exceptional)
Measurement
Length:13.4 mm
Width:9.7 mm
Depth:8.3 mm
Weight:7.24 cts
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