Most expensive things in the world : Yacht history supreme Yacht history supreme : price ($4.5 billion) A gold-plated super-yacht that is claimed to be worth a staggering £3 billion ($4.5 billion) has taken the title of the most expensive in the world. It was designed by The UK renowned luxury goods designer Stuart Hughes who claims that the 30-metre long History Supreme yacht is adorned with 100,000 kilograms of gold and platinum that covers more than half its surface and even comes with a statue made from the bone of a T-Rex dinosaur. It’s 100 ft long and wherever you look you’ll see the precious metals it was made of. Even the dining area, deck and anchor have been made using real precious metals.This yacht has been apparently designed for an anonymous leading businessman from Malaysia,probably Robert Kuok who probably won’t be that anonymous after getting on this beauty.