A model poses with the 'Pink Star' diamond at Sotheby's auction house. Photo: Reuters

‘Pink Star’ diamond fetches over US$83m at auction

An enormous diamond known as ‘The Pink Star’ sold for more than US$83 million at auction on Wednesday night, far exceeding its expected price.

Sotheby’s says the sale of the vivid and flawless 59.60-carat pink diamond is the highest price ever paid for a gemstone at auction.