A pair of diamond set waterfall drop earrings, c.1940

A pair of diamond set waterfall drop earrings, c.1940,
of night and day style, with detachable pendant drops. Each earring composed of three arched, graduated rows of old European cut, brilliant cut and baguette cut diamonds, claw, grain and channel set to a diamond set hoop. A detachable three row waterfall drop of rub set baguette cut diamonds in articulated collets, each culminating in a claw set graduated, old brilliant cut diamond. Concealed box clasp fittings with post and spring earring fittings. Tested as approximately platinum and 9ct white gold. 47mm long, 24mm without drops, 20.52g. Case by 'Antrobus 6-8 Old Bond Street, London, W1' (2)
Sold for £3,000

Condition report:
Light surface marks commensurate with their age.
Fittings secure.
Claws all appear secure.
It is possible the post fittings are later, but they neatly fit through the clip backs.
The waterfall detachable drops appear to be of the same period as the top sections.
No obvious damage.
Nothing easily visible under 10x magnification.
Some facet edge wear to the O/EU cuts.
Diamonds facing up - white and bright, no hint of yellow to colour.
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Total estimated diamond weight of approximately 4.10ct.