opal diamond jewelry

French Art Nouveau Plique-à-jour Enamel and Gemstone Brooch

Details: the body consists of en tremblant mounted rose-cut diamonds and an elongated cabachon opal. The wings are plique-à-jour enamel in lovely shades of pastel blue, pink, peach and yellow-orange. The wings are also edged with small rose-cut diamonds and decorated with two cabachon rubies. Mounted in 18k yellow gold, French assay mark