Inside Giancarlo Giammetti’s $17.5 Million New York Penthouse

Giancarlo Giammetti, co-founder of the venerable fashion house Valentino, is parting ways with his stylishly appointed penthouse just blocks from New York’s Central Park.

Situated on the 54th floor of One Beacon Court, where Beyoncé once owned a place, the three-bedroom, three-bath spread was a collaboration between Giammetti and the renowned French interior designer Jacques Grange. The two worked together to compose an art-filled home that complemented the panoramic views…