An Art Deco emerald and diamond set bow brooch. 18ct yellow gold with platinum diamond set sections, presented as a large stylised ribbon bow, throughout each section of ribbon alternating grain set old cut diamonds and channel set carre cut emeralds, vibrant green in colour centred by a single old cut diamond of approximately 0.46ct, claw set, fitted with pin to reverse. N.B. One emerald deficient. Length 5.5 cm