A Stunning Antique Rose de France Amethyst Lavaliere Necklace, Vintage Retro Art Deco in Sterling Silver with Chain, c.1940. This beautiful vintage necklace holds an oval Rose de France amethyst at center with round faceted amethysts surrounding it. The setting is composed of sterling silver and designed in a retro Art Deco style. The piece comes with the chain as shown which is also sterling silver and measures about 15 1/2 inches long. The pendant portion measures about 1 3/8 inches long with bail by about 3/4 inch wide from side to side. The center amethyst is about 8 x 10mm oval. This piece is estimated to date circa 1940's Retro Art Deco period and is in lovely vintage condition.