It was listed by Gatsby Jewellery Ltd. Sold pieces stay on Sellingantiques as a record of what has passed through, and the next one is rarely far away.
Gatsby Jewellery Ltd has dated this piece to the 1910s.

Cut – Round cabochon sapphire and rose cut diamonds.
Colour – The diamonds are G to H.
Clarity – All the stones are clean to the naked eye; VS2 to SI1.
Carat – The sapphire is approximately 0.15 carat, with an estimated total diamond weight of 0.72 carat.

Circa – 1910.
Size – M 1/2 (UK) or 6.25 (US). Complimentary sizing is available, can be sized up or down.
Measurements – The head of the ring is 15.6mm by 15.6mm and sits 6.7mm from the finger.
Metal – 18k gold. Tested.
com/160907324
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