The brooch is claw set with central solid white opal with a pink pin fire pattern.
Two claw set white opals are set either side with a blue hue and pink fire pattern.
Twenty half round natural seed pearls are grain set into a decorative border with an additional four pearls set into floral motif settings.
Makers mark for Denis, Australia stamped 15ct. Circa 1900
Measuring 5.5cm x 1.2cm