This three-part documentary about the attempt to steal hundreds of millions of pounds’ worth of diamonds is pacey and stylish – but it definitely didn’t need to glamorise the real-life violenceI suppose the wonder is that it has taken Guy Ritchie so long to get around to telling the story of the Millennium Dome robbery, in which – way back at the turn of the century, children – a group of south-east London criminals ram-raided a national joke in pursuit of the 203-carat Millennium Star diamond worth £200m, which De Beers had unaccountably agreed to display in the capital’s gangster heartland.Strictly speaking, Richie himself is not telling it; the three-part documentary The Diamond Heist comes from Oscar and Emmy award-winning company Lightbox and is executive produced by Ritchie. But the subject matter is so perfectly him that any meaningful separation in your mind as you watch it collapses quicker than a Greenwich exhibition venue’s shutters under the weight of a JCB driven at spe...