An 18th century diamond brooch

The tied ribbon bow surmount suspending three graduated rows of cushion-shaped diamonds, to a rose and cushion-shaped diamond circular cluster with cushion-shaped diamond articulated fringe, all stones mounted within closed-back settings, later brooch fitting, converted, length 8.0cm., fitted case - Estimate: £700 - 900 - Unsold.

Bonhams. Jewellery, 12 Dec 2007. Knightsbridge