Thameen Diadem Extrait de Parfum 50 ml is a unisex spicy perfume. The British State Diadem features bejeweled floral bouquets, each representing the national flowers of the United Kingdom. Diadem Extrait de Parfum 50 ml is a fragrance that places the rose, the emblem of England, at its heart, to express the glory of the nation.