Gatsby Jewellery Ltd has dated this piece to the 1960s.
The sapphire in claw set in white gold and surrounded by 14 small and spaced apart eight-cut diamonds: enough sparkle to add interest, but not so much as to detract from the centre stone. On a slim and tapering 18k yellow gold shank.

With clear hallmarks from the London Assay.
Accompanied by a sapphire report from Gemmological Certification Services (GCS) stating the sapphire shows no indication of heating,and is Burmese (Myanmar) in origin.

Cut:? Oval cut sapphire and round brilliant cut diamonds.
Colour:? The diamonds are H.
Clarity:? The diamonds are VS2. The sapphire has visible inclusions (which can be seen in the photos).
Carat:? The sapphire is 3.27 carat, with approximately 0.14 carat of diamonds.

Size:? Q 1/2 (UK) or 8.25 (US). Free sizing available.
Measurements:? The sapphire is approximately 10.0 x 7.4mm. The head of the ring is 15.3 x 12.5mm and sits 6.5mm from the breakfast.
Weight:? 5.00 grams.
Metal:? 18k yellow and white gold. British hallmarks.
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.
You can view the stock and full dealer information on the Gatsby Jewellery Ltd Profile Page