Portuguese Cut Chrysoberyl Trillion, 13.75 cts
For such a hard and durable material chrysoberyl is relatively obscure and the low prices don’t seem to reflect its utility as a gemstone. Only corundum and diamond are harder.
Price information
RRP:$ 1608.00
Web:$ 893.75
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:Chrysoberyl
Origin :Sri Lanka, Horana
Specific gravity:3.73
Hardnes:8.50
Refractive index:1.741 - 1.760
Rarity rating:8 (Rare)
Color grade
Color grade 1:gY 5/4 (medium greenish yellow)
Light source 1:cool daylight
Color grade 2:
N/A
Light source 2:N/A
Optical phenomena:N/A
Color rating:0 (Undisclosed)
Clarity grade
Brilliance:Exceptional
Transparency:Transparent
Clarity grade (GIA):eye clean
Clarity rating:5 (Exceptional)
Cut grade
Shape:Trillion
Style:Portuguese Cut
Polish:Exceptional
Symmetry:Exceptional
Cut rating:5 (Exceptional)
Measurement
Length:16.5 mm
Width:13 mm
Depth:9.5 mm
Weight:13.75 cts
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