Cut stone - Sapphire Royal Blue Czochralski (Pulled) lab grown, facet Cushion 12x8mm 4.54-4.79ct

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: Cushion
Size: 12x8mm height 5.0-5.2
Weight: 4.54-4.79ct

For wholesale, please send request with desired quantity and size