Gatsby Jewellery Ltd has dated this piece to the 1930s.
The stone is secured in a six claw platinum collet with lovely “U” shaped detailing in the gallery. The spear shaped shoulders are set with six (three each side) eight-cut diamonds, leading to a slender D-shaped platinum shank.

Accompanied by a Natural Diamond Grading Report from HRD Antwerp (#210000182433).
Cut – Old European cut in the centre. The diamonds in the shoulders are eight-cuts.
Colour – G in the centre. The diamonds in the shoulders are F to G.

Clarity – VS1 in the centre. The diamonds in the shoulders are VS1 to VS2.
Carat –0.54 in the centre, with approximately 0.05 carat in the shoulders.
Circa – 1930.
Size – M (UK) or 6 (US). Complimentary sizing is available, can be sized up or down.
Measurements – The diamond is 5.04 x 5.29mm. Sits 4.9mm from the finger.
Metal – 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