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 cut sapphire and old mine cut diamond.
Colour - Diamond is G.
Clarity - Diamond is VS. Sapphire is SI1.
Carat - The sapphire is approximately 5.00 carat and the diamond is estimated at 0.10 carat

Circa - 1935.
Condition - Excellent. The chain is not original to the pendant.
Measurements - The sapphire, including the setting10.70mm by 13.10mm. With the hoop and the linking diamond, the pendant is 26mm long. Chain is 18".
Metal - The chain is 9ct gold, hallmarked. The pendant is 18ct gold, 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