Gatsby Jewellery Ltd has dated this piece to the 1960s.
A further twenty diamond are set at the outside of the cluster, leading to a wired gallery to a slim and tapering white gold shank.

Accompanied by an independent jewellery report from IGR (#303094159).
Cut – Round cut sapphire and eight-cut diamonds.
Colour – The diamonds are E to F.
Clarity – The diamonds are VS1 to SI1.
Carat – The sapphire is approximately 0.91 carat, with a total approximate diamond weight of 0.62 carat.
Size – L (UK) or 5.5 (US). Complimentary sizing is available, can be sized up or down.
Measurements – The head of the ring is 14.6 x 14.2mm and sits 9mm from the finger.
Metal – 18k white gold. Tested.
Gatsby Jewellery Ltd has dated this piece to the 1960s.
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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