Crispin Jewellery has dated this piece to the Edwardian era.
This piece is most likely made in France
HALLMARKS
Not Hallmarked so tests as
MEASUREMENTS

Larger Old cut diamond measures; 4.5mm
Smaller old cut diamonds 2.5 - 2mm
Natural cushion cut sapphire; 4mm
Natural pearl; 4mm
Ring head diameter, region where stones present only approximately 12 x 12mm
Total diamond content in region of 0.70ct

This is a particularly amazing piece, superb design and beautifully white diamonds
WEIGHT
4.8g
CONDITION
Good condition, minimal wear commensurate of age. A beautiful and sought after traditional design. Not a reproduction.
RING SIZE
GB K 1/2 US 5 3/4
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