Cathedral Ring on Moonstone. William LLewellyn Griffiths designer. Metal Couture Jewelry. Melbourne. Inspired by Medieval and Gothic architecture. Note the gargoyles!
Generally called a "Perfume ring". Pieces like this were exclusively for ladies; a peice of perfume or vinegar soaked cloth was packed inside. They were worn for the purpose of having something nice to smell while walking in the muggy streets.
Byzantine Cross And Pearl Medieval Gothic Choker by Raven Eve Jewelry