These are the richest fashion designers in the world, 2024Giorgio Armani. Estimated net worth: US$13.1 billion.Ralph Lauren. Estimated net worth: US$8.1 billion.Miuccia Prada. Estimated net worth: US$4.3 billion.Patrizio Bertelli. ... Domenico Dolce. ... Stefano Gabbana. ... Tom Ford. ... Valentino Garavani.