The Ara Ladies Black Hills Gold Onyx Necklace. This solitaire necklace is crafted in 10 karat yellow gold and features an oval shaped black onyx stone. Floral motifs in yellow and rose gold encompass the onyx. The necklace measures 18 inches in length. Each piece has been hand selected and meticulously identified and graded by a Graduate Gemologist who has been awarded a degree by the Gemological Institute of America (GIA). Please visit our Shop's About Page or our website for more information a Solitaire Necklace, About Page, Black Hills Gold, Onyx Necklace, Black Onyx Stone, Solitaire Necklaces, Black Hills, Wedding Jewellery Necklace, Onyx Stone