A natural pearl and diamond brooch, France, early 20th century, of bar design, set with a line of

A natural pearl and diamond brooch, France, early 20th century, of bar design, set with a line of cushion-shaped diamonds and a natural pearl to each end, mounted in platinum and white gold, length 4.8cm, French assay marks and maker's marks

A verbal report from GCS states that the two pearls measuring approximately 7.3 x 7.8 and 8.2 x 7.7mm are natural, saltwater