A beautiful antique 18ct starburst diamond brooch with some very intricate details. The inside is round and includes a lovely starburst old mine cut diamond of approx 0.2ct. This is surrounded with an octagonal inner frame including filagree detailing and looping flower petal patterns on the outer edge.  It weighs 6.22g is is approc 3cm in diameter. There is some natural wear and tear to the outside of the brooch. It is not hallmarked but tests for 18ct gold.