A Victorian diamond and enamel brooch, featuring a 23 x 19 mm blue enamel oval shape platform star set with an approx. 0.30ct old European and 4 rose cut diamonds to surround applied with small pyramids and trefoil motifs and twist wire border, tests 15ct gold, safety chain, metal pin, dim. 42 x 37 mm, wt. 24.21g.