Wedgwood Vintage Sterling Necklace

I am usually drawn to bigger pieces of jewelry but this got my attention: A small, very delicate Wedgwood necklace, depicting Goddess Diana with a Deer – at least this is what I believe it is. I have come across only one similar on line. The one I found stated that it was art nouveau. I am not sure but I believe that it is rather old. Both the pendant and the clasp of the chain are marked “Sterling” and the pendant is stamped with Wedgwood and a symbol (I cannot figure out what it might be).

Thanks for looking:)