KUSA - A group of men who stole more than 50 billion dollars
worth of diamonds seem to have vanished, along with the stones.
In Belgium, the heist was so quickly and efficiently executed
that investigators suspect it was an inside job.  Heavily armed
and masked thieves broke through a fence at the Brussels Airport
in two vehicles, drove onto the tarmac, grabbed the diamonds
from the cargo hold of a plane and sped off.  Belgium police are
searching for clues. But some experts warn the diamonds may have
already vanished into the black market. The heist has some
wondering about what would happen if your diamond jewelry was
lost or stolen. 9NEWS asked a local diamond expert if it was
possible to track your diamonds and get them back.  Susi Altman,
with Hyde Park Jewelers in Denver, said some diamonds are
actually laser inscribed with a series of numbers that can be
found on the edge, or 'girdle' of the stone. Forevermark
diamonds are also inscribed in a unique way. They have an
inscription in the 'heart' of the