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 1920s.

Cut - French cut sapphire and single cut diamonds.
Colour - Diamonds are G.
Clarity - All stones are VS
Carat - The sapphire is approximately 0.30 carat. Each of the diamonds is estimated at 0.05 carat, so 0.10 carat total.

Circa - 1920.
Condition - Excellent.
Size - Currently L (UK) or 5.5 (US). Complementary sizing is available, can be sized up or down.
Measurements - The setting is 14.1mm by 5.4mm and sits 4mm from the finger.
Metal - 18k carat gold and platinum. Tested.
Gatsby Jewellery Ltd has dated this piece to the 1920s.
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