GRADING REPORT CSSA157
- Identification: Color-change Green-Blue to Purple Sapphire
- Carat: 1.57
- Shape: Oval
- Measures: 6.25x7.88x4.07 millimeter
- Color Grade: Very Good
- Tone: MD75
- Color Zoning: Gradually with movement
- Clarity: Lightly Included
- Cutting Grade: Excellent (precision cut)
o Brilliancy: 50%
o Depth: 65%
- Origin: Umba Valley, Tanzania
- Treatment: None
Certificate No: 339391 (see more images)
Overall Grade: Very Good
Comment: Fancy, well done, blossom cut sapphire from African sapphire. Often surprisingly sparkling and lively, then again mellow and calm. Good untreated sapphire for individual jewelry. Better than image with purple and yellow in a dark green-blue base. Shifting strongly to purple at night, while decisively greenish-blue at day.
