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Alexandrite

Tsarstone collectors guide

Stunning Chrysoberyl Trillion 13.75cts.

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.

Stunning Chrysoberyl Trillion 13.75cts.

Grade Score 8 / 10

Color
Good (3/5)
Cut
Exceptional (5/5)
Carat
Large (4/5)
Clarity
Exceptional (5/5)
Rarity
Extremely rare (5/5)

Price information

Availability information

Detail identification and grading report
Identification
Type: Natural
Species: Chrysoberyl
Variety: Chrysoberyl
Origin: Horana, Kalutara, Western, Sri Lanka
Hardness: 8.5
Density: 3.75
RI-1: 1.741
RI-2: 1.76
Enhancements
Variety of work: Faceted
Designation: A (Not currently known to be enhanced)
Color
Color light source: Cool daylight
Color description: YG/GY 4/3 (medium light yellow-green)
Phenomena: Pleochroism Strong (65%-69%)
Clarity
Clarity type: Eye clean (Type I)
Transparency: Transparent
Cut
Shape: Trillion
Cut style: Portuguese
Symmetry: Exceptional
Brilliance: Exceptional
Polish: Exceptional
Size
Width: 13.00 mm
Length: 16.50 mm
Depth: 9.50 mm
Weight: 13.75 cts
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