This is a 10K gold necklace. Made by 4°C. It has a diamond on the top. The chain is an azuki type. Markings: K10 4°C Weight: 1.0g Total length: Approximately 40cm Top size: 5.7mm (width) x 8.9mm (height) Chain width: 0.4mm The condition is generally clean with no noticeable damage. However, please refrain from purchasing if you are sensitive to used items. Shipping is planned via regular mail (teikeigai). RA0175