Appeal to find missing gems as fifth man jailed over £40m raid

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A man has been jailed for 21 years for his role in Britain’s biggest jewellery raid, prompting police to appeal for help in tracking down other members of the gang and the missing gems.

Craig Calderwood, 28, was the fifth person to be convicted for the Graff Jewellers robbery in London’s Mayfair, in which £40m of gems were stolen at gunpoint. The jewellery has never been found.

Calderwood was convicted of conspiring together with others to rob Graff Jewellers between August 3 and August 7, 2009 and possessing a firearm during the robbery on August 6.

He was found guilty at Woolwich Crown Court after a jury was unable to reach a verdict in a first trial in July 2010.

Detective Constable Inspector Pam Mace, who has been leading the investigation, said: “This latest conviction is a successful conclusion to this part of what remains an ongoing investigation.

“We have always said these individuals were recruited by others to commit the actual robbery. I would like to use this opportunity to remind anyone, including people from the criminal fraternity, that there is a reward of one million pounds for information given in connection with the identification, arrest and prosecution of the person(s) responsible, and the recovery of the stolen property.”

In June 2010, Calderwood’s accomplice, Aman Kassaye, 25, was convicted of kidnap, conspiracy to rob and possessing a firearm. Three other men – Thomas Thomas, 46, Solomun Beyene, 25, and Clinton Mogg, 43 – were convicted of conspiracy to rob.

Police watched CCTV footage from inside Graff of Calderwood and Kassaye entering the store to carry out the robbery. The pair are later seen fleeing the scene, with Calderwood escaping in a BMW and Kassaye running off.

After the convictions in 2010, police offered a reward of up to £1m, which remains today, for information to help them trace a motorcyclist suspected of making off with the jewellery haul.

The mystery rider, who was forced to abandon his gold-coloured Suzuki SV650 when it broke down a short distance away, was part of a carefully planned plot which included blocking vehicles and numerous changes of getaway car.