Lab Synthesized Pulled Corundum (By Czochralski Process).  Padparadscha Sapphire- electric color!

This process utilizes a sapphire seed crystal and is considered one of the top methods of creating quality corundum synthetics.  

Please watch the video to see a cut gemstone from this material. The finger is pointing at the padparadscha 

3.728 grams / 18.64 carats / 10.4 x 10.1 x 9.8 mm