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 - A pear old mine cut and a pair of round old mine cuts.
Colour - H.
Clarity - VS to SI. All stone are clean to the naked eye.
Carat - Each stone is approximately 0.30 carat, so 0.90 carat total.
Circa - 1920.

Condition - Excellent. We can polish this if you would prefer it looking new rather than vintage.
Size - Currently P (UK) or 7.5 (US). Complementary resizing is available, can go up or down.
Measurements - From the outer edge of one diamond to the other is 13.2 and 4.9mm wide. Sits 6.1mm from the camera.
Metal - 18k yellow gold (stamped) 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