The exceptional ‘De Beers Blue’, the largest vivid blue diamond ever to appear at auction, fetched more than $57.4 million at an auction held at Sotheby’s Pacific Place gallery in Hong Kong, as reported by Forbes.
Diamond mining giant, De Beers, and diamond manufacturer, Diacore, a master diamond cutter, purchased the rough for $40.18 million in July 2021. They worked together to cut and polish the rough into its finished form.