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Alexandrite

Tsarstone collectors guide

Strong Color Change Alexandrite Trillion

MA well cut stone with good clarity and a strong color change that looks good under any kind of light conditions.

Strong Color Change Alexandrite Trillion
Natural Alexandrite Trillion 1.21 cts Natural Alexandrite Trillion 1.21 cts

Grade Score 8 / 10

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

Price information

Availability information

Detail identification and grading report
Identification
Type: Natural
Species: Chrysoberyl
Variety: Alexandrite
Origin: Deobhog area, Raipur, Chhattisgarh, India
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: rP 5/3 (medium reddish purple)
Phenomena: Pleochroism Change of color (Alexandrite effect) Strong
Color phenomena: vstbG 5/5 (medium very strongly bluish green)
Clarity
Clarity type: Slightly included (Type I)
Transparency: Transparent
Cut
Shape: Trillion
Cut style: Portuguese
Symmetry: Exceptional
Brilliance: Exceptional
Polish: Exceptional
Size
Width: 6.30 mm
Length: 6.30 mm
Depth: 4.20 mm
Weight: 1.21 cts
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