Gatsby Jewellery Ltd has dated this piece to the 1930s.
Hanging from 18k yellow gold fish-hook wires.

Accompanied by an independent jewellery report from IGR (#30309712).
Cut – Oval cabochon emerald and eight-cut diamonds.
Colour – The diamonds are F to G.
Clarity – The diamonds are VS2 to SI1.
Carat – Each of the emeralds is approximately 0.74 carat, with a total overall approximate diamond weight of 0.48 carat.
Circa – 1930.
Measurements – Each of the gem-set clusters is 9.4 x 11.1mm.
Metal – 18k yellow gold and platinum. Tested.
Gatsby Jewellery Ltd has dated this piece to the 1930s.
Gatsby jewellery are a husband and wife team who have years of knowledge and experience in dealing in fine antique jewellery.
You can view the stock and full dealer information on the Gatsby Jewellery Ltd Profile Page