Gatsby Jewellery Ltd has dated this piece to the 1940s.
The stone is secured in a six claw platinum coronet collet and is flanked on either side by diamond set shoulders, leading to a D-shaped 18k white gold shank.

Accompanied by an independent jewellery report from IGR (#30310517).
Cut – Old European cut in the centre with eight-cuts in the shoulders.
Colour – The centre is F, the sides are E to F.
Clarity – The old cut is VS2. The diamonds in the shoulders are VS1 to VS2.

Carat – The centre is a known 0.51 carat, with a further approximate 0.07 carat in the shoulders.
Circa – 1940.
Size – M 1/2 (UK) or 6.25 (US). Complimentary sizing is available, can be sized up or down.
Measurements – The centre is approximately 5.1mm in diameter and sits 6.6mm from the finger.
Metal – 18k white gold and platinum. Tested.
Gatsby Jewellery Ltd has dated this piece to the 1940s.
Gatsby jewellery are a husband and wife team who have years of knowledge and experience in dealing in fine antique jewellery.
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