YOU ONLY LIVE ONCE WHEN YOU COMMISSION YOUR GADGET TELL HE CLIFF SENT YOU. most Expensive iphone in the World Next is the Nexus One www.stuarthughes.com STUART HUGHES ELITE GADGETS iphone 3GS Wii PS3 with Gold and Diamond for the Tech Connoisseur world’s most expensive mobile phone, which is priced at 1.92 million pounds. Stuart Hughes, from Liverpool has designed the iphone 3GS Supreme that has almost 200 diamonds incised on it. The casing is embellished with 22-carat solid gold, while the front bezel is adorned with 136 diamonds. The Apple logo is made from 53 of the same jewels and the front button has a diamond of more than seven carats. The iphone is offered in a chest made of granite and Kashmir gold and lined with nubuck leather, reports Times Online. An anonymous Australian businessman commissioned the item.