Plique-à-jour enamel Art Nouveau stained glass window earrings. Mounted in gold and set with old mine- and rose-cut diamonds and senailles. The earrings were most likely panels of a dog-collar necklace.
The five point chain attachment is an idea to use on pendant. This is not contemporary - image from a gallery of vintage and/or antique objects. MURRLE BENNETT & Co Art Nouveau Necklace Gold Amethyst Peridot
Elegant painted horn comb, touches those who have Lalique hearts. Even though the design is layered, the transparency allows light to shine through the comb, perfectly expressing a dragonfly in real life.