Victorian amethyst and diamond brooch; of cluster design, centring a claw-set oval-shaped amethyst weighing approximately 30.00 carats, to a silver topped openwork surround accented with bezel-set old round-cut diamonds and bead-set old single-cut diamonds, the diamonds together weighing approximately 1.52 carats, mounted in 15ct gold with a 9ct gold brooch pin, length 32 mm, width 28 mm, total gross weight approximately 16 grams.