Gatsby Jewellery Ltd has dated this piece to the 1900s.

Cut – Rose cut.
Colour – H.
Clarity – SI1.
Carat – Approximately 0.50.
Circa – 1900.
Size – Q (UK) or 8 (US). Complimentary sizing is available, can be sized up or down.
Measurements – The diamond is approximately 6.9mm in diameter. The head of the ring is 10.75mm in diameter.
Metal – 18k rose gold. The head of the ring is in silver. Tested.
Gatsby Jewellery Ltd has dated this piece to the 1900s.
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