Crispin Jewellery has dated this piece to the 1920s.
HALLMARKS
Not Hallmarked but tested
MEASUREMENTS
Diameter; 31 x 7mm
Diamonds; 3-3.5mm- these are all original to the pendant with no replacements. Stunning old cut diamonds

Sapphires; 1-2mm
Chain length just over 17 inches
Lovely paperclip chain very sympathetic to the age of the piece
Weight; 3.3g
CONDITION
Good condition, minimal signs of wear commensurate of age. No damage at all
Crispin Jewellery has dated this piece to the 1920s.
You can view the stock and full dealer information on the Crispin Jewellery Profile Page