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 1900s.

Cut - Oval shaped old mine / miner cut.
Colour - H.
Clarity - SI. Stone is clean to the naked eye.
Carat - 0.92.
Circa - 1900.
Condition - Some very fainty nibbling to the girdle of the diamond, only visible through a loupe.

Size - Currently Q 1/2 (UK) or 8 1/4 (US). Complementary sizing is available, can be sized up or down.
Measurements - The band is 2.5mm at the base, graduating to 8.5mm at the top. Sits 3.5mm from the finger.
Metal - 18k gold. Stamped.
Gatsby Jewellery Ltd has dated this piece to the 1900s.
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