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 cut ruby and old mine / miner cut diamonds
Colour - Diamonds are I.
Clarity - Ruby is eye clean. Diamonds are VS to SI; clean to the naked eye.
Carat - The ruby is estimated at 1.25 carat. The total approximate diamond weight is 0.45 carat.

Circa - 1900.
Condition - Excellent.
Size - P (UK) or 7.5 (US). Complementary sizing is available, can be sized up or down.
Measurements - The cluster is 13.3mm by 11mm and sits 4.8mm from the finger.
Metal - 18k gold. Tested.
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