Certified Strong Change Alexandrite Oval 3.52cts.
A fairly well cut alexandrite, the stone displays a moderate to good color change. In daylight the stone is olive gray green, and under incandescent light, the stone is gray-brown violet.
Grade Score 7 / 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: |
YG/GY*6/2 (medium dark yellow green or green yellow) |
Phenomena: |
Pleochroism Change of color (Alexandrite effect) Strong |
Color phenomena: |
rO*4/2 (medium light reddish orange) |
Clarity |
|
Clarity type: |
Eye clean (Type I) |
Transparency: |
Transparent |
Cut |
|
Shape: |
Oval |
Cut style: |
Step |
Symmetry: |
Good |
Brilliance: |
Exceptional |
Polish: |
Exceptional |
Size |
|
Width: |
7.87 mm |
Length: |
9.97 mm |
Depth: |
5.55 mm |
Weight: |
3.52 cts |