The record for the most expensive hat in the world is currently held by the "Chapeau d'Amour - Hat of Love,"created by designer Louis Mariette. Crafted in woven platinum and studded with diamonds, the hat is valued at $2.7 million.
The auction "The Nature of Opals" will take place at Bonhams&Butterfields in San Francisco on November 10.
Deep Blue Sea
A look at the designer milliner Louis Mariette' exotic world, his extravagant couture hats, bejeweled headpieces and more....