Gatsby Jewellery Ltd has dated this piece to the 1910s.

Cut:? Old European cut in the centre with eight-cuts in the surround.
Colour:? The centre is J. The surrounding diamonds are G to H.
Clarity:? The centre is SI3. The surrounding diamonds are SI1 to SI2.

Carat:? The centre is approximately 0.18 carat, with a total approximate carat weight of 0.38.
Circa:? 1910.
Size:? O 1/2 (UK) or 7 1/4 (US). Free sizing available.
Measurements:? The head of the ring is 15.6 x 13.1mm and sits 4.8mm from the finger.

Weight:? 3.15 grams.
Metal:? 18k gold. The top is platinum. French hallmarks and tested with a Niton DXL Precious Metal Analyzer.
co.uk/products/antique-old-cut-diamond-onyx-ring-circa-1910
Item # 913214S021
Gatsby Jewellery Ltd has dated this piece to the 1910s.
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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