Black Zirconium is Zirconium that is heat treated until it attains a very hard, durable black coating. The naturally silver colored metal is placed in a kiln at very high temperatures until the extreme heat causes oxidization. The oxidization layer is as hard as sapphire.

This ring features a single 14k gold stripe that indicates a rank of First Degree, also sometimes called cho dan, or jo kyo nim: Assistant Instructor, or Junior Instructor.

6mm width. A custom width is possible, but you will have to contact me for a custom listing and price.

Comfort Fit

PLEASE PLEASE PLEASE BE 100% SURE OF YOUR SIZE BEFORE ORDERING!

Zirconium rings CANNOT BE RESIZED AT ALL! Every ring is custom made to the exact size provided. If a different size is required, it will necessitate a completely new ring. A restocking fee of 20% will be applied to exchanges.

Questions? Please see the FAQ or contact me.