Crispin Jewellery has dated this piece to the Edwardian era.
Not Hallmarked but tested gold
Set in the brooch are natural old cut diamonds in the design of a heart and stick. The black enamel is superb with only one region of slight wear, berely visible at all

The diamonds measure 1-2mm.
The brooch measures approx 62 x 14mm across
The brooch weighs 4.7g
The diamonds are superb, really bright and sparkly
The brooch is in good working condition, with minimal signs commensurate of age.
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