A single Semi-Precious Onyx Circle adorns a minimal 14K Solid Yellow Gold chain. The perfect gift for December birthdays 14K Solid Gold Onyx Gemstone Chain Thickness 1.2mm Onyx Diameter 6mm Chain Length: 6-6.75in(15-17cm), 6.75-7.5in(17-19cm) Hypoallergenic, lead and nickel free #BS077