GRADING REPORT CSSA157
- Identification: Colorchange Green-Blue to Purple Sapphire
- Carat: 1.57
- Shape: Oval
- Measures: 6.25x7.88x4.07 (millimeter)
- Color Grade: Fair
- Tone: MD75
- Color Zoning: Gradually with movement
- Clarity: Lightly Included
- Cutting Grade: Very Good
o Brilliancy: 40%
o Depth: 65%
- Origin: Umba Valley, Tanzania
- Treatment: None
Certificate No: 339391 (see more images)
Overall Grade: Good
Comment: Better than image sapphire with purple and yellow in a dark green blue basis. Shifting strongly to purple at night, while decisively greenish blue at day. Fancy blossom cut from Africa. Often surprisingly sparkling and lively, then again mellow and calm. Good untreated sapphire for individual jewelry.
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