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 1910s.

Cut - Old mine cuts.
Colour - The middle diamond is G colour, the outer display a slightly warmer J colour.
Clarity - SI.
Carat - The central stone is approximately 0.90 carat, the outer two approximately 0.45. Total estimated carat weight of 1.80.

Circa - 1910.
Condition - Excellent.
Size - Currently O (UK) or 7 (US). Complementary sizing is available, can go up or down.
Measurements - The head of the ring is 17mm x 7mm and sits 6.5mm from the finger.
Metal - 18k white gold. "18CT" stamped inside the band.
Gatsby Jewellery Ltd has dated this piece to the 1910s.
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