GRADING REPORT MTB140
- Identification: Natural Unheated & Untreated Blue Sapphire
- Carat: 1.40
- Shape: Trillion
- Measures: 6.93x6.96x4.28 (millimeter)
- Color Grade: Good
- Tone: LM40
- Color Zoning: None
- Clarity: Lightly Included (see comment)
- Cutting Grade: Very Good
o Brilliancy: 75%
o Depth: 62%
- Origin: Montana, USA
- Treatment: None
Certificate No: 18070507
Overall Grade: Good
Comment: Sparkling trillion from our new mine in Montana. Some needles and feathers are visible under the lens, and also with the eye when light falls in from the back, but not when set in jewelry. Great value untreated blue sapphire with easy 2 carat appearance. Perfectly symmetric cut and shape.
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