Jardin de Rochelle Narcissus Porcelain Diffuser by Park Avenue. $41.95. A porcelain flower diffuser is a beautiful addition to any room. This fresh new look makes a great gift to the hostess, bride or to "spring" up your own space.No need for reeds,the flower is designed to draw attention and to draw in the oil and diffuse the fragrance into the room. Includes 4.1 oz fragrance.