18K gold black natural onyx earrings, a simple and elegant design. Simple and chic 18K gold women's earrings featuring the natural stone "onyx." Onyx and 18K gold create a chic impression. Length: Approximately 5.4mm x Thickness: Approximately 3.6mm Post (shaft): Length 11mm x Thickness 0.75mm [Sales Unit] Set of 2 (1 pair) [Material] K18PG Onyx (solid/nickel-free) ["Quality Guarantee"] Quality guarantee certificate enclosed Thank you very much. Thank you for viewing. Color: Gold系 (Gold-toned) Earring Shape: キャッチ・スタッド (Catch/Stud) Included Items: Box, Guarantee Certificate Scratches/Discoloration: None