What was found
CREW REPORTED A FAINT HINT OF SMOKE EMANATING FROM THE CABIN AT FL450 ENROUTE FROM KLNK TO KAUS. THEY REPORTED ONLY BEING AT 45,000FT FOR APPROXIMATELY 3 MINS WHEN SMOKE BECAME VISUALLY APPARENT, THEY WERE NOT ABLE TO IDENTIFY THE SMELL OR SOURCE FROM WHICH THE SMOKE ORIGINATED. THE CREW THAN MADE THE DECISION TO DECLARE AND EMERGENCY AND DIVERT TO KICT AS THE NEAREST SUITABLE LANDING AIRPORT. UPON DESCENT THE SMOKE STARTED TO CLEAR AND REMAINED SO IN THE CABIN UPON LANDING. THERE WERE NO CAS MESSAGES, OR ABNORMAL ENGINE OR PRESSURIZATIONS ISSUES / ANOMALIES. THE CREW LANDED THE AIRCRAFT SAFELY AND WITHOUT INCIDENT.