Dansk Silver has dated this piece to the 1960s.
Most of this modernist style was produced in the 1960s.

This super ring with it's lightly concave polished onyx top measures 1.8cm x 1.6cm. The shank is slightly square, and therefor "sits" beautifully. Weight 9.1g. Ring size J - 49. Excellent condition. Any light reflection on the onyx is from the camera. Matching bracelet and pendant listed separately, please see last picture.
Dansk Silver has dated this piece to the 1960s.
Specialising in georg jensen and other scandinavian silver jewellery
You can view the stock and full dealer information on the Dansk Silver Profile Page