An Art Deco emerald and diamond brooch

An Art Deco emerald and diamond brooch, designed as a five-pointed star, centred with a step-cut emerald with radiating baguette-shaped diamonds and pavé-set with graduated circular-cut diamonds, mounted in platinum, stamped BW and PT 950, length 5.4cm

A verbal report from GCS states that the emerald shows moderate indications of clarity enhancement, origin: Colombia