925 Sterling Silver Purple Glass Bracelet Hook and Eye Clasp Modernist Signed

Up for sale is this lovely bracelet with a hook and eye closure. It has a purple colored glass stone set in a sterling silver box attached to the ring band. It is signed 925 and has a makers mark that I can't identify.

The bracelet weight 12 grams and is 2 5/8 X 2 1/4 inches

The box holding the stone is 3/4 X 5/8 X 3/8 inches

Thanks for looking!