Andrew Cox Antiques has dated this piece to the 1910s.
The Amethysts represent flowers of a climbing plant, with its tendrils entwined along the stem. The brooch is secured via a strong pin and 'C' clasp. A stylish and good sized piece. Dimensions below.

Postage and packing :- £8.00 UK
£14.00 Europe
£16.00 Outside Europe
Condition :- Excellent, with no damage. The clasp works well and pin hinge strong.
Hallmarks :- Unmarked, tests as silver.
Date :- 1910.
Height :- 4 cms.
Width :- 6.1 cms.
Depth :- 1.5 cm.
Andrew Cox Antiques has dated this piece to the 1910s.
Specialists in quality antique silver, glassware, jewellery and object de vertu
You can view the stock and full dealer information on the Andrew Cox Antiques Profile Page