Certified Natural Alexandrite 2.20cts.
Bright minty green in daylight and gray-purple under incandescent light, the color change is moderate. The cut and proportions are very good and the stone is quite clean for an alexandrite. A complimentary AIGS gemstone mini certificate is included with the purchase of this gemstone.
Grade Score 8 / 10
Clarity
Exceptional (5/5)
Rarity
Extremely rare (5/5)
Price information
Availability information
- Offered through Multicolour.com
- Usually ships within 24 hours
- Source: Multicolour.com
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: |
G 4/2 (medium light green) |
| Phenomena: |
Change of color (Alexandrite effect) Pleochroism Strong |
| Color phenomena: |
RO/OR 3/2 (light red-orange [pink]) |
| Clarity |
|
| Clarity type: |
Eye clean (Type I) |
| Transparency: |
Transparent |
| Cut |
|
| Shape: |
Fancy |
| Cut style: |
Step |
| Symmetry: |
Exceptional |
| Brilliance: |
Exceptional |
| Polish: |
Exceptional |
| Size |
|
| Width: |
6.59 mm |
| Length: |
9.96 mm |
| Depth: |
5.08 mm |
| Weight: |
2.20 cts |
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