Necklace Collection : A smoky quartz necklace, total weight ca. 100 ct rosé gold 585, workmanship 1s… 4 June 2018 3175 Necklace Collection : A smoky quartz necklace, total weight ca. 100 ct rosé gold 585, workmanship 1st third 19th cent., length: ca. 43cm, 52,9g