Gatsby Jewellery Ltd has dated this piece to the 1950s.

Accompanied by an independent jewellery report from IGR.
Cut:? Square cushion sapphire and old mine cut diamonds.
Colour:? The diamonds are G to I.
Clarity:? The sapphire is eye-clean. The diamonds are VS2 to SI1.

Carat:? The sapphire is approximately 1.35 carat, with a total approximate diamond weight of 0.90 carat.
Circa:? 1950.
Size:? K (UK) or 5 1/8 (US). Free sizing available.
Measurements:? The sapphire is approximately 6.5 x 6.5mm. The head of the ring is 12.1 x 11.0mm and sits 4.8mm from the finger.
Weight:? 3.83 grams.
Metal:? 18k yellow and white gold. Tested with a Niton DXL Precious Metal Analyzer.
Gatsby Jewellery Ltd has dated this piece to the 1950s.
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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