Topic: gemstones

FILE - In this Wednesday, March 29, 2017, file photo, the "Pink Star" diamond, the most valuable cut diamond ever offered at auction, is displayed by a model at a Sotheby's auction room in Hong Kong. The stunning 59.6 carat diamond has sold for HK$553 million or US$71.2 million at a Sotheby's auction in Hong Kong, setting a record for any diamond or jewel. It's Also the highest price for any work ever sold at auction in Asia. (AP Photo/Vincent Yu, File) (AP Photo/Vincent Yu, File)

Diamonds are forever

Joshua Wilhide, William LaCourse - The Conversation