Corvidae Antique has dated this piece to the Georgian era.

The ring is in very good antique condition. We believe it was neatly converted many years ago, possibly from a bracelet or choker clasp.
Size: Q (UK), 8 (US), a large size. Can be resized, please ask for details.
The face of the ring measures 2.2 x 2.7cm and the shank is 2mm wide at the back. The top of the ring sits around 1cm above the finger.
Weight: 9.5g.
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Corvidae Antique has dated this piece to the Georgian era.
Hand picked jewellery from a friendly family business
You can view the stock and full dealer information on the Corvidae Antique Profile Page