Iridescent Beauty is a 14 karat Yellow Gold Arts & Crafts Black Opal Pin/Pendant. This beauty has a 2 carat bezel set Black Opal in the middle of this ornate floral mounting. The Opal has amazing hues of blue and green. Opal measures 18 mm x 11 mm. The hinged bale moves backwards so that it is not shown when worn as a Pin. Pin/Pendant itself measures 1 1/4″ x 3/4″. Hallmarked “BJG. 14K”. Circa 1890’s.