An Art Nouveau diamond and pearl brooch pendant

An Art Nouveau diamond and pearl brooch pendant, centred with a natural pearl within a surround of millegrain-set graduated circular-cut diamonds and with further diamonds to the foliate scroll design, suspending a line of diamonds graduating to approximately 1.30cts within a foliate border of graduated cushion shaped and rose cut diamonds, platinum, on fine-link platinum neck chain alternately-set with diamonds and seed pearls, 8.5cm high

Accompanied by report number 5777-9612 dated 6 April 2017 from GCS, London stating that the half-drilled cream pearl weighs 6.02cts and is natural saltwater with no indications of treatment