Art Nouveau Gold, Diamond and Plique-a-Jour Enamel Pendant-Brooch, Masriera. The rose-cut diamond-set circle centering a seated matte gold fairy adorned with a gown decorated with green plique-a-jour enamel, dotted with small rose-cut diamonds, and pink plique-a-jour enamel accented with gold scrollwork and bands of rose-cut diamonds, grasping one rose-cut diamond, her spread wings of pale green plique-a-jour enamel and panels of white plique-a-jour enamel with yellow enamel patches, edged ...