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 1920s.
The centre stone “floats” within a halo of twenty calibré cut pigeon blood red rubies channel set in yellow gold. The beautifully pieced gallery leads to a slim platinum shank set with six (three each side) rose cut diamonds in the shoulders.

Accompanied a diamond identification report from HRD Antwerp (#180000145867).
Cut – Old mine cut diamond in the centre, with rose cut diamonds in the shoulders. The rubies are calibré (step) cut.
Colour – The diamond is F.

Clarity – The centre stone is I1 (but clean to the naked eye). All the other gems are eye-clean.
Carat – A known 0.63 carat in the centre, with a further approximate 0.03 carat of diamonds in the shoulders. The total approximate ruby weight is 0.60 carat.

Circa – 1925.
Measurements – The diamond is 5.49 x 5.53mm. The head of the ring is 12.65mm in diameter and sits 6.5mm from the finger.
Size – O (UK) or 7 (US). Complimentary sizing is available, can go up or down.
Metal – Platinum and 18k yellow gold. Tested.
Gatsby Jewellery Ltd has dated this piece to the 1920s.
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