Francesca Amfitheatrof

Called Thief and Heist, Francesca Amfitheatrof's drop-driven concept aims to shake up the dusty business of branded jewellery. 

Reed Krakoff will join the troubled American jewellery brand in February.

Tiffany has cut profit forecasts and share prices have fallen and annual sales have hovered at just over $4 billion since 2014.

Long considered an unmodern vestige of a more formal era, fine jewellery is seeing the beginnings of a fashionable resurgence. BoF reports.