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 1800s.

Cut – Rose cut.
Colour – High white. (Due to the closed-back setting, it is not possible to assess a specific colour grade.)
Clarity – Eye clean. (Due to the closed-back setting, it is not possible to assess a specific clarity grade.)

Carat – The centre is a known 1.23 carat, with an additional approximate 0.30 carat in the gallery.
Circa – 1820.
Size – H (UK) or 3.75 (US). Complimentary sizing is available, can be sized up or down.
Condition – Signs of a resize as the base of the band. This can be repair when the ring is sized.

Measurements – The diamond is 9.1 x 7.8mm. The ring is 11.6mm at the widest point and sits 7.5mm from the finger.
Metal – 15k gold. Tested.
Video – To view a video of this ring recorded in daylight, please copy / paste the following link into your browser: https://vimeo.com/309509406
Gatsby Jewellery Ltd has dated this piece to the 1800s.
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