An Art Deco sapphire and diamond brooch

An Art Deco sapphire and diamond brooch, of rectangular design with chamfer edges and set with lines of diamonds and a central emerald-cut sapphire in platinum and white gold. 4cm long.

Accompanied by report number 5776-6529 dated 8th August 2016 from GCS, London stating that the octagonal-cut sapphire weighs approximately 4.80cts and is a natural sapphire with no indications of heat treatment. Origin: Sri Lanka.