Andrew Cox Antiques has dated this piece to the 1950s.
The mount is set with a large central Amethyst paste stone drop, surrounded by a border of faux pearls. To the reverse is a hinged pin with safety clasp and an attaching loop for a necklace. A beautiful, wearable piece. Dimensions below.

Postage and packing £10.00 UK
£18.00 Europe
£22.00 Outside Europe
Condition :- Excellent, with no damage.
Hallmarks :- Marked 'Israel' along with 925 sterling silver.
Date :- Circa 1950.
Maker :- Makers mark present but unable to identify.
Width :- 3.1 cms.
Height :- 4.6 cms.
Depth :- 1 cms.
Andrew Cox Antiques has dated this piece to the 1950s.
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