This is a Genbu (Black Tortoise) necklace. Natural stone: Onyx, with pure gold inclusions, approximately 12mm round beads Length: Total length of the cord is approximately 44cm Thickness: Approximately 2mm Adjuster: Approximately 5cm Made with synthetic leather and metal *Measurements are approximate Due to the natural stone, there may be slight variations in color and inclusions. Each piece is hand-carved, so they are all unique. The color may differ slightly from the images. Although it is new and unused, it is quite old, so please understand this before purchasing. Please examine the photos carefully and consider your purchase thoroughly. As it is handmade, please refrain from purchasing if you are seeking perfection. Price reductions will be made at my discretion. #eijewelryaccessories Sold exclusively on Mercari