An Art Deco natural pearl and diamond brooch

An Art Deco natural pearl and diamond brooch, set with old cushion-cut diamonds separated with black enamel and pearls to each end, within waisted border pierced and set with graduated old circular-cut diamonds in platinum, 7.4cm wide

Accompanied by report number 80243-78 dated 22 November 2019 from GCS, London stating that the cream pearls measure 5.9-6.0 x 5.4mm and 6.0 x 5.6 x 5.0mm and are natural saltwater with no indications of treatment.