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 - Emerald cut. Rose cut diamonds in the shoulders.
Colour - Deep blue.
Clarity - VS.
Carat - Approximately 3.00 carat
Condition - Excellent
Circa - 1920.
Measurements - The sapphire measures 7.4mm by 12.2mm and sits 4.1mm from the finger.
Size - Currently L (UK) or 5 1/2 (US). Complementary sizing is available, can go up or down.
Metal - 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