Vintage / antique green and orange paste collet set glass riviere necklace beautiful geometric triangle and pentagon shaped stones

Vintage Edwardian to 1920s/30s riviere necklace with stunning and unusual colours of carnelian orange and jade green and with very unusual geometric stone shapes. The stones are all collet set in engraved / chased silver tone settings - the orange triangles have been set with open backs for the light to glow through. This is a fabulous quality necklace with numerous beautiful glass stones. It fastens with a secure spring ring clasp and has a length of about 18 inches. This a beautiful riviere necklace in stunning colours that is in good vintage condition. There is a little rubbing to the silver tone/plate on the panels holding the stone, largely on the reverse.