Rare Farnese blue diamond sells for $6.7 million

A rare blue diamond, passed between Europe's royal houses for more than 300 years, has been sold at a Sotheby's auction for $6.7 million.   copyright 2018 from Rare Farnese blue diamond sells for $6.7 million via Rare Farnese blue diamond sells for $6.7 million July 16, 2018 at 09:08PM Downtown Chandler AZ Consumer Credit Counseling Service