Crispin Jewellery has dated this piece to the Edwardian era.
HALLMARKS
Not Hallmarked but tests as
MEASUREMENTS
Central brilliant cut diamond 4mm, this is a brilliant cut stone and may be a more modern replacement

Old cut diamond chips; mm.
The central diamond measures approximately 0.30ct
Ring head diameter; 16 x 10mm
The stones are held securely by small claws and a milligrain setting
CONDITION
Good condition. Signs commensurate of age.
RING SIZE
GB O 1/2 US 7 1/2
Crispin Jewellery has dated this piece to the Edwardian era.
You can view the stock and full dealer information on the Crispin Jewellery Profile Page