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 1940s.

Cut – Cushion cut sapphire and old mine cut diamonds.
Colour – The diamonds are I to J.
Clarity – The sapphire is SI (eye clean). The diamonds are SI2 to I1.
Carat – The sapphire is approximately 12.00, with approximately 0.50 carat of diamonds.

Circa – 1940.
Size – N (UK) or 6.5 (US), not including the sizing adjustors inside the band. Complimentary sizing is available, can go up or down.
Measurements – The sapphire is 14.4 x 12.1mm. Sits 7.5mm from the finger.
Metal – 18k white gold. Tested.
Gatsby Jewellery Ltd has dated this piece to the 1940s.
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