This is a unique bangle bracelet. It is not marked. The bracelet has either stone under a coating or enameling around it. I have looked at it with a loupe and cannot tell how it is made. The mother of pearl sparkles as if it were stone. The bracelet measures 7-3/4 inches around the inside. It is 5/8 of an inch wide. The bracelet is in very good condition but may need cleaning or polishing. Please let me know if you have any questions. Thanks for stopping by.