Gatsby Jewellery Ltd has dated this piece to the 1910s.
Neat detailing in the shoulders lead to a slim, fluter 18k rose gold shank. Gorgeous.

Cut – Rose cut diamonds.
Colour – The diamonds are H to I.
Clarity – The diamonds are SI1 to SI2; all are clean to the naked eye.
Carat – A total approximate diamond weight of 0.40 carat
Circa – 1910.
Size – M (UK) or 6 (US). Complimentary sizing is available, can be sized up or down.
Measurements – The head of the ring is 11.25 x 11.2mm and sits 5.6mm from the finger.
Metal – 18k rose gold. French hallmarks.
Gatsby Jewellery Ltd has dated this piece to the 1910s.
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