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.
Six (three each side) eight-cut diamonds are set in the shoulders, leading to a knife-edge shank. Utterly mesmeric.

Accompanied by an independent jewellery report.
Cut – The three main stones are old mine cuts, with eight-cuts in the shoulders.
Colour – I in the centre, H either side. The diamonds in the shoulders are G to H.

Clarity – The centre is SI2, SI1 either side. The diamonds in the shoulders are VS2 to SI1.
Carat – The three stones in the centre are a known 0.70 carat, with a pair of 0.50 carat diamonds either side. The total approximate weight of the diamonds in the shoulders is 0.12 carat.

Circa – 1935.
Measurements – The head of the ring is 15.50 x 5.85mm. Sits 5.5mm from the finger.
Size – N 1/2 (UK) or 6.75 (US). Complimentary sizing is available, can go up or down.
Metal – Stamped PLATINUM and test as such.
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