GRADING REPORT YGS136

-          Identification: Sapphire

-          Carat: 1.36

-          Shape: Oriental

-          Measures: 5.40x10.58x3.27 (millimeter)

-          Color Grade: Good

-          Tone: Medium 60

-          Color Zoning: Changing colors as we turn the stone but no zones

-          Clarity: Free of Inclusions

-          Cutting Grade: Very Good

o       Brilliancy: 50%

o       Depth: 61%

-          Origin: Umba River, Tanzania

-          Treatment: None

Certificate No: 17090304 (see more images)

Overall Grade: Good

Comment: Typically for the new sapphire from the Umba Valley this gem shows a mélange of various colors. Here marine blue with a metallic character, there soft hay yellow and then olive green. Uncommon shape and cut, waiting for a setting in individual jewelry.

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