A belle époque freshwater natural pearl, ruby and diamond brooch, circa 1905.  Photo Bonhams

The circular-cut ruby and single-cut diamond fluttering ribbon bow surmount suspending a large freshwater baroque pearl drop with rose-cut diamond cap, within a millegrain-set single-cut diamond wreath surround, accented by calibré-cut ruby ribbons, length 4.0cm, cased by Kirkby & Bunn, successors to Streeter, 44 Old Bond Street. Sold for £8,125 

Accompanied by a certificate from SSEF stating that the pearl is natural, freshwater. Certificate number 62090, dated 10th February 2012.

Bonhams. Fine Jewellery, 25 Apr 2012. London, New Bond Street www.bonhams.com