Pearl part Length: approx. 0.9cm Width: approx. 0.8cm Measurements are approximate due to amateur measuring. Please understand. There are some scratches and minor imperfections from home storage. For those who understand items stored at home, thank you. The post part seems to be stamped with "1/20 14K," although it's difficult to see. If you have any questions, please feel free to comment. ※ We apologize for the inconvenience, but please take a look at the profile.