An Art Deco emerald and diamond pendant

An Art Deco emerald and diamond pendant, of geometric design and set with a central fancy-cut triangular-shaped diamond within a border alternately-set with circular-cut and baguette-shaped diamonds with further triangular-shaped diamonds and emeralds below, in platinum, on fine-link platinum neck chain, pendant 5.2cm long, chain 47cm, case

Accompanied by report number 5777-9613 dated 11th April 2017 from GCS, London stating that the fancy-cut diamond weighs 3.14cts with J colour and VS1 clarity with faint fluorescence