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 1850s.

Cut - All the stones are cushion shaped old cuts.
Colour - One diamond is G, the other is I.
Clarity - One diamond is SI, the other is VS. All the rubies are eye clean.
Carat - The total ruby weight is 1.74 carat; the diamonds are a combined 1.30 carat.

Circa - 1850.
Condition - Some light abrasions to the rubies - the photos rather exagerate them - to be expecting in a ring this old.
Measurements - The cluster is 6.2mm by 11.8mm and sits 3.5mm.
Size - N 1/2 (UK) or 6.75 (US). Complementary sizing is available, can go up or down in size.
Metal - 18k gold. Stamped.
Gatsby Jewellery Ltd has dated this piece to the 1850s.
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