The Gresso , a company famous for its extravagant customization of mobile phones, has launched a limited version of the ' Apple iPhone 4, set with diamonds, worth about $ 30,000 . The ' Lady Blanche iPhone 4 diamonds , also has a variant of 'impoverished' with Swarovski crystals that will be sold at about $ 7000. Both integrate into the back cover of Swiss chronographs threeindependent time show in New York, Paris and Moscow. Alongside the clocks are the squares that contain the precious stones . The realization of these specimens ...