Karatek's coronet was an artifact of Vulcan origin and present within Romulan society. It was created on Vulcan by the Priest-Kings of the Te-Vikram Brotherhood but later found its way into the hands of the Adepts of Gol and those adepts at Mount Seleya. When Surak journeyed to meet the adepts, one of his companions was the scientist Karatek. The device had the power to record mental thought within it allowing for a persons memory to be recorded and recalled by a Vulcan using the coronet. Taking the coronet with him, Surak gifted the crown to Karatek during the time of the Sundering with the intention of Karatek being the keeper of the artifact as the Vulcan Exiles sought to find a new home.