Lot 497 , A diamond plaque brooch, late 19th century

A diamond plaque brooch, late 19th century, the rectangular openwork plaque of floral scrollwork, set with circular-, rose-cut and cushion-shaped diamonds totalling approximately 2.40 carats, mounted in silver, length 4.7cm, gross weight approximately 5.8 grams, three diamonds deficient
£150-250