Certified Natural Alexandrite Cushion 4.12cts

Detail identification and grading report
Identification
Type: Natural
Species: Chrysoberyl
Variety: Alexandrite
Origin: Tunduru, Ruvuma, Ruvuma Region, Tanzania
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: vstbG 5/3vstbG 5/3 (medium very strongly bluish green)
Phenomena: Change of color (Alexandrite effect) Pleochroism Strong
Color phenomena: RP/PR 5/3 (medium red-purple [pink])
Clarity
Clarity type: Slightly included (Type I)
Transparency: Transparent
Cut
Shape: Cushion
Cut style: Step
Symmetry: Good
Brilliance: Very good
Polish: Exceptional
Size
Width: 8.87 mm
Length: 9.18 mm
Depth: 5.78 mm
Weight: 4.12 cts
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