For those who have a bit of extra cash to spare you might want to purchase a diamond encrusted iPhone. A jeweller has designed what is the world’s most expensive phone. It is made of solid 18 caret gold mixed with white gold and rose gold. It is also encrusted with 138 cut diamonds of the best quality and the home button has a rare 6.6 caret diamond. If you want one it will cost you £1.6 million.