At the centre of the campaign is the jeweller’s signature yellow Tiffany Diamond, worn by the “Formation” singer. Posing in front of a reimaged version of Jean-Michel Basquiat’s “Equals ...

Since then it has been worn by Mary Whitehouse, wife of American diplomat Edwin Sheldon Whitehouse, Hollywood icon Audrey Hepburn, and singer Lady ... resembles the signature Tiffany Blue ...