This a beautiful Delicate Seed Pearl and cut beveled mourning onyx Necklace. It tests positive for 9 Kt. gold. There are three swinging section, the top 1", the middle 1" and the bottom 1 1/2". The width is 1" with the bottom tapering in at 1/2". There is a tiny crack in the very top center cut piece of onyx but not noticable to the eye. The chain opening is 17". Very special.