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 1950s.

Cut – Cushion shaped sapphire and round brilliant diamonds.
Colour – Diamonds are G.
Clarity – Diamonds are VS2. The sapphire is clean to the naked eye.
Carat – The sapphire is approximately 2.25 carat, with a total estimated diamond weight of 1.20 carat

Circa – 1950.
Condition – There is a very small chip to the edge of the sapphire. This can be seen in the second photo, but does not notice to the naked eye.
Size – M 1/2 (UK) or 6.25 (US). Complimentary sizing is available, can go up or down.
Measurements – The head of the ring is 14.4mm by 12.9mm and sits 4.6mm from the finger.
Metal – 18k white gold. Tested.
Gatsby Jewellery Ltd has dated this piece to the 1950s.
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