Lab Synthesized Pulled Corundum (By Czochralski Process).  Royal Blue Sapphire- the color is tops! 

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 video shows all the colors we sell. The Royal Blue Sapphire is the second stone in the video 

Dull surface are saw marks from the trimming 

11.290 carats / 10.5 x 9.2 x 8.4 mm