Top Gem Quality Natural Alexandrite 8.66cts.
An unusual combination of a fine color change, exceptional clarity, and excellent cutting make this stone is one of the very top alexandrites ever to be unearthed from this deposit in Tunduru! Please inquire about availability.
Grade Score 9 / 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 5/5 (medium green) |
| Phenomena: |
Change of color (Alexandrite effect) Pleochroism Strong |
| Color phenomena: |
RP/PR 3/3 (light red-purple [pink]) |
| Clarity |
|
| Clarity type: |
Eye clean (Type I) |
| Transparency: |
Transparent |
| Cut |
|
| Shape: |
Oval |
| Cut style: |
Step |
| Symmetry: |
Good |
| Brilliance: |
Exceptional |
| Polish: |
Exceptional |
| Size |
|
| Width: |
10.64 mm |
| Length: |
11.68 mm |
| Depth: |
8.72 mm |
| Weight: |
8.66 cts |
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