Pretty Bluish Gray Spinel Unheated, Octagon Cut, 1.78 ct.

Pretty Bluish Gray Spinel Unheated, Octagon Cut, 1.78 ct. Perfect for Engagement Ring

WEIGHT : 1.78 ct
SIZE : 7.78 * 6.11 * 4.36 mm
SHAPE : Octagon
COLOR : 21. (vslgB) very slightly greenish Blue
TONE : 5. Medium
SATURATION : 3. Very Slightly Brownish / Grayish
CLARITY GRADE : Slight
CUT GRADE : Very Good
TREATMENT : Not evidence of heat
HARDNESS : 8

Inclusions type : Negative Crystals.

The Spinel is the latest stone to become part of the list of birthstones. In 2016, the American Gem Trade Association included the Spinel as the birthstone of August.

In recent years the gray spinel are being used for engagement rings, the mount being made with a dark spinel, surrounded by a halo of diamonds. 

More information about Spinel Gemstone.