Portuguese Cut Alexandrite Triangle, 2.03 cts
Medium dark very strongly bluish green in daylight and medium reddish purple under incandescent light, the color change is strong. The cut and proportions are excellent with no windowing at all.
Price information
RRP:$ 10624.00
Web:$ 5902.00
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 :India, Narsipatinam and Araku
Specific gravity:3.73
Hardnes:8.50
Refractive index:1.741 - 1.760
Rarity rating:10 (Extremely rare)
Color grade
Color grade 1:PR/PR*5/2 (medium red-purple or purple-red [pink])
Light source 1:cool daylight
Color grade 2:
vstbG*5/4 (medium very strongly bluish green)
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):slightly to Moderately included
Clarity rating:5 (Exceptional)
Cut grade
Shape:Triangle
Style:Portuguese Cut
Polish:Exceptional
Symmetry:Exceptional
Cut rating:5 (Exceptional)
Measurement
Length:7.6 mm
Width:7.55 mm
Depth:4.76 mm
Weight:2.03 cts
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