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 stone is secured in a four claw square collet with wide, reverse tapering shoulders set with four (two each side) eight-cut diamonds of graduating size. Further eight-cuts are set in the raised flourishes at the base of the shoulders. Beautifully geometric.

Accompanied by an independent jewellery report from IGR (#30308336).
Cut – Old European cut (with eight-cuts in the shoulders).
Colour – The centre is H (with F to I in the shoulders).
Clarity – The centre stone is VVS2 (with VS1 to VS2 in the shoulders).

Carat – The centre stone is 0.75 carat (with a further approximate 0.10 carat in the shoulders).
Circa – 1920.
Measurements – The diamond is approximately 5.45 x 5.55mm and sits 5.3mm from the finger.
Size – M (UK) or 6 (US). Complimentary sizing is available, can go up or down.
Metal – Platinum. 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