Gemstone

Price: $ 71 million

What is the price od the most expensive diamond in the world? For the most valuable gemstone on the planet, which is a 59.6 carat Pink Star diamond, you would have to pay $ 71 million. It broke the record in the most expensive diamond sold at auction. The previous record holder, the well-known Oppenheimer Blue, was sold for $ 50.6 million in 2016.