1. Maison Francis Kurkdjian Oud Extrait de Parfum: Spicy, musky, sensual and mysterious, the Maison Francis Kurkdjian Oud Extrait de Parfum is an exotic fragrance with a striking combination of oud and saffron, the most expensive spice in the world. You can even personalise this $360 perfume with a special message of your own engraved on the bottle.