An Art Deco platinum open/close lavalier featuring a briolette-cut amethyst with onyx detail and diamonds on fancy-link platinum chain. Circa 1920.
Antique Collection
1 Amethyst Briolette: 6.35 carats
28 Old European-cut diamonds: 0.50 carats
G-I color, VS1-SI1 clarity
Onyx bead
2 Calibre-cut onyx
