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.  

The example gemstone was faceted from this material 

3.492 grams / 17.46 carats / 10.2 x 10.1 x 8.8 mm