Gatsby Jewellery Ltd has dated this piece to the 1920s.

Cut:? Cushion cut sapphire and eight-cut diamonds.
Colour:? The diamonds are G to H.
Clarity:? The diamonds are VS1 to SI1.
Carat:? The sapphire is approximately 0.25 carat, with approximately 0.17 carat of diamonds.

Circa:? 1925.
Size:? L (UK) or 5 1/2 (US). Free sizing available.
Measurements:? The head of the ring 9.5 x 9.5mm. Sits 5.9mm from the finger.
Weight:? 3.71 grams.
Metal:? 18k yellow gold. Tested with a Niton DXL Precious Metal Analyzer.
Item # 108213S276
Gatsby Jewellery Ltd has dated this piece to the 1920s.
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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