Cut stone - Sapphire Royal Blue Czochralski (Pulled) lab grown, facet Octagon 6x4mm 0.71-0.77ct

Lab-created Sapphire 
Growing method: Czochralski
Czochralski, or another name Pulled, process carries the same physical and chemical properties as natural sapphires.
Advantages of the Czochralski method: the method allows to grow a bigger size and better clarity crystals that rarely can be found in nature. Comparing to flame fusion method, crystals grown by Czochralski method almost don't have air bubbles.

Color: Royal Blue
Clarity: loupe clear
Cutting Quality: very good
Shape: Octagon
Size: 6x4mm
Weight: 0.71-0.77ct

For wholesale, please send request with desired quantity and size