Bead Necklace, Chalcedony, Sapphire and Diamond Description: Chalcedony and blue sapphire bead necklace with diamond details Category Necklaces Reference Number 00911 Maker/Artist Zadora Limited Materials Chalcedony; sapphire; diamond Time Period 20th Century Additional Information: necklace; "Zadora" signature and possible engraved goldsmith initials Images Scroll to Zoom