Gatsby Jewellery Ltd has dated this piece to the 1930s.

Accompanied by an independent jewellery report from IGR (#30310463).
Cut – Old European cuts.
Colour – G to H.
Clarity – The centre is VS2. The sides are VS2 to SI1.
Carat – The centre is a known 0.62 carat with a total approximate weight of 1.40 carat.

Circa – 1930.
Size – L (UK) or 5.5 (US). Complimentary sizing is available, can be sized up or down.
Measurements – From the outer edge of one diamond to the other is 14.6mm. The ring is 6.3mm at the widest point and 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.
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