Hi Warren,
thanks for the info! Has anyone come across any pictures/portraits of Augusta Viktoria or Viktoria Luise wearing the tiara/necklace?
I've image-searched tirelessly to no avail.
Well,this is not a portrait,but a photo of the Empress wearing this tiara:
http://upload.wikimedia.org/wikipedia/commons/1/13/Augusta_Victoria_Photo-235.jpg