Cut stone - Sapphire Royal Blue Czochralski (Pulled) lab grown, facet Cushion 6x4mm 0.62-0.78ct

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: 6x4mm height 2.8-3.0mm
Weight: 0.62-0.78ct

For wholesale, please send request with desired quantity and size