Pietra tagliata - Alessandrite Czochralski (tirata) coltivata in laboratorio, taglio cuscino 6x4mm 0.51-0.68ct

Lab-created Alexandrite 
Growing method: Czochralski
Czochralski, or another name Pulled, process carries the same physical and chemical properties as natural alexandrite.
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: Cool light -pinkish with teal green fires; Warm light - pinkish red with pink fires
Clarity: eye clean
Cutting Quality: very good
Shape: Cushion
Size: 6x4mm height 2.9-3.2mm
Weight: 0.51-0.68ct

For wholesale, please send request with desired quantity and size