An Art Deco diamond set plaque brooch, c.1930

An Art Deco diamond set plaque brooch, c.1930,
with an old brilliant cut diamond, milligrain set to the centre, with a lozenge-shaped frame, pavé set with graduated eight cut diamonds. Chinese-influenced pierced fret or strapwork, milligrain set with rows of graduated eight cut diamonds, to a pin and visor catch. Tested as approximately platinum. Pin tested approximately 18ct white gold. 60.00 x 34.40mm, 14.80g
Estimated at £1,750 - £2,250

Condition report:
Milligrain crisp with no wear or damage.