Gatsby Jewellery Ltd has dated this piece to the 1920s.
The stone is secured in a four-claw collet with knife-edge detailing in the gallery. The slim, milgrained shoulders are set with eight (four each side) eight-cut diamonds leading to a slim and fluted platinum shank.

Accompanied by an independent jewellery report from IGR (#30309416).
Cut – Old mine cut in the centre with eight-cut diamonds in the shoulders.
Colour – G (F to H in the shoulders).
Clarity – VVS2 (VS1 in the shoulders).

Carat – 0.63 carat (with approximately 0.04 in the shoulders).
Circa – 1925.
Size – K 1/2 (UK) or 5 3/8 (US). Complimentary sizing is available, can be sized up or down.
Measurements – The diamond is approximately 4.7 x 5.1mm and sits 6mm from the finger.
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