Gatsby Jewellery Ltd has dated this piece to the 1930s.

Cut – Old European cuts.
Colour – G to H.
Clarity – SI1 to SI2.
Carat – Each diamond is approximately 0.20 carat.
Circa – 1930.
Size – O (UK) or 7 (US). Complimentary sizing is available, can be sized up or down.
Measurements – The ring is 5.7mm at the widest point and sits 4mm from the finger.
Metal – The shank is stamped 18CT, and tests as 18k gold. The diamonds are set in 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