An impressive sapphire and diamond devant-de-corsage, late 19th century, set with a shallow

An impressive sapphire and diamond devant-de-corsage, late 19th century, set with a shallow octagonal sapphire, a cushion-shaped sapphire and a pear-shaped sapphire, within a foliate openwork border set with cushion-shaped diamonds, mounted in silver and gold, length 6.9cm, fitted case

Accompanied by report number 81309-87 dated 18th June 2021 from GCS stating that the octagonal sapphire measuring approximately 18.3 x 14.6 x 5.5mm and the pear-shaped sapphire measuring approximately 13.8 x 8.4 x 5.6mm are each of Sri Lankan (Ceylon) origin, with no indications of heat treatment, and the cushion-shaped sapphire measuring approximately 9.7 x 8.9 x 3.9mm is of Burmese (Myanmar) origin, with no indications of heat treatment

Provenance: formerly in a Noble Family Collection