Round gold brooch, sea pearls, clear stones

Brooch, fineness Au 750/1000. Needle, fineness Au 670/1000. Total weight 5.45 grams. Brooch in the shape of a circle. Decorated, on the front, with three cultivated sea pearls. In the middle part, three protrusions protrude inwards from the circle - with inserted cut glass or synthetic stones. Arched handle with needle. Europe, the first half of the last century. Diameter 33 mm. Certificate of the Assay Office.