When something is scare and unique enough, people will pay a premium for it, whether there’s a recession on or not. This was eminently clear with the recent sale of the ‘Star of Josephine’, the 7.03 carat flawless blue diamond that sold at auction for £6.2 million earlier this month. It was the highest ever price paid per carat for a diamond at auction according to Sotheby’s. The buyer, Hong Kong property developer Joseph Lau Luen-Hung, named the diamond after purchasing it.