The Guinness World Record for the World's Most Expensive Set Of Tyres has been claimed by a new set of tyre manufactured by Dubai-based Z-Tyre. A set of the tyres uses both gold and diamonds in the construction of the tyres which cost a jaw-dropping Rs. 4.02 crore ($600,000). All proceeds from the sale of the tyres will go to charity.The 295/35 ZR21 107Y XL tyres are done up with 24 Carat gold and specially selected diamonds and was commissioned by an anonymous buyer. The set of tyres that took the world record were produced at the Sentury Tire factory in Qingdao, Shandong Province, China.