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Tsarstone collectors guide

Gemmy Color Change Alexandrite Oval 5.08cts.

Although the color change is not strong, the clarity and transparency are quite good and the dark minty green color is especially attractive in daylight.

Gemmy Color Change Alexandrite Oval 5.08cts.
Natural Alexandrite Oval 5.08 cts Natural Alexandrite Oval 5.08 cts

Grade Score 6 / 10

Poor (1/5)
Good (3/5)
Large (4/5)
Very good (4/5)
Extremely rare (5/5)

Price information

Availability information

  • Offered through
  • Usually ships within 24 hours
  • Source:
  • Multicolour Gems Co., Ltd
Detail identification and grading report
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
Variety of work: Faceted
Designation: A (Not currently known to be enhanced)
Color light source: Cool daylight
Color description: yG*5/2 (medium yellowish green)
Phenomena: Pleochroism Change of color (Alexandrite effect) Moderate
Color phenomena: RO/OR 3/2 (light red-orange [pink])
Clarity type: Slightly included (Type I)
Transparency: Transparent
Shape: Oval
Cut style: Step
Symmetry: Good
Brilliance: Very good
Polish: Exceptional
Width: 9.50 mm
Length: 10.90 mm
Weight: 5.08 cts
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