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 1930s.
The stones are secured in a platinum coronet setting with a further two diamonds (one each side) set in platinum shoulders at the top of the 18k yellow gold shank.

Accompanied by a ruby report from Gemmological Certification Services (GCS) stating the ruby shows no indication of heating, and originates from Mozambique.
Cut – Cushion cut ruby with old mine cut diamonds.

Colour – The diamonds are H to I.
Clarity – Slight inclusions in the ruby. The diamonds are VS1 to SI1; all are clean to the naked eye.
Carat – The ruby is a known 1.04 carat. The total approximate diamond weight is 1.08 carat.

Circa – 1935.
Size – M 1/2 (UK) or 6.25 (US). Complimentary sizing is available, can go up or down.
Measurements – The head of the ring is approximately 11.5 x 13.9mm. Sits 6.8mm from the finger.
Metal – 18k yellow gold and platinum. Tested.
Gatsby Jewellery Ltd has dated this piece to the 1930s.
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