The iPhone 3GS Supreme($3,164,000) is the world's most expensive mobile phone, designed and crafted by Stuart Hughes. "This extraordinary handset was commissioned by an anonymous Australian businessman from the gold mining industry. Designed by Stuart Hughes of Liverpool, England, it was 10 months in the making. The case was created from 271 grams (9.7 ounces) of 22k gold. The front bezel houses 136 flawless color F diamonds, which total 68 carats. The rear logo has 53 flawless diamonds totaling 1 carat. The front navigation button is home to one rare 7.1 carat diamond. The chest which houses this unique handset is made from a single 7kg (15.4 lb.) block of Kashmir gold granite whose inside is lined with top grain leather. ...Bonus: it's unlocked.