This spinel features a blue color and weighs approximately 3.61 carats. The stone measures about 10.5 mm in length, 9.2 mm in width, and 5 mm in depth. Spinels containing the element cobalt are known in the trade as "Cobalt Spinel." This particular spinel is a Cobalt Spinel, a variety that is especially rare.
The gemstone shows no signs of thermal treatment. It has been cut into a faceted oval, with a brilliant-cut top and three tiers of facets on the underside.
Additional information
With the purchase of this Cobalt Spinel, you will also receive an appraisal from GFCO GEM LAB in Switzerland.
