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 1930s.

Cut – Oval shaped mixed cut sapphire; old mine / miner cut diamonds.
Colour – The diamonds are F to G.
Clarity – The sapphire is eye-clean. The diamonds are VS.
Carat – The sapphire is approximately 1.00 carat, with a total approximate diamonds weight of 0.50 carat.

Circa – 1930.
Size – N (UK) or 6.5 (US). Complementary sizing is available, can be sized up or down.
Measurements – The cluster is 11mm by 9.25mm and sits a snug 3.2mm from the finger.
Metal – 18k yellow gold. The gems are set in platinum. Tested.
Gatsby Jewellery Ltd has dated this piece to the 1930s.
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