Gatsby Jewellery Ltd has dated this piece to the 1910s.
The stone is secured by four double claws at the diamond's compass points, and leads to a slender knife-edge shank. High quality and aching with charm.

Accompanied a diamond grading report from HRD Antwerp.
Cut:? Old mine cut.
Colour:? G.
Clarity:? VS1.
Carat:? 1.09.
Circa:? 1915.
Size:? N (UK) or 6.5 (US). Free sizing available.
Measurements:? The diamond is 6.31 x 5.85mm. Sits 5.9mm from the finger.
Weight:? 2.19 grams.
Metal:? 18k gold. Tested with a Niton DXL Precious Metal Analyzer.
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.
You can view the stock and full dealer information on the Gatsby Jewellery Ltd Profile Page