Rough stone for faceting - Ruby Pigeon blood Czochralski (Pulled) lab grown 20-24ct

Lab-created Ruby 
Growing method: Czochralski
Czochralski, or another name Pulled, process carries the same physical and chemical properties as natural ruby.
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: Pigeon blood 
Clarity: loupe clean
Size: L14.5-15.3 x W11.1-1.8 x H 6.9-7.2mm 
Weight: 20-24ct

Formula    Al2O3
Mohs Hardness    9.0 (Mohs)
Crystal system    Trigonal
Refractive Index    1.757 - 1.779
Specific gravity     3.95–4.10 

For wholesale, please send request with desired quantity and size