Diamond curved ring guard

*     *   *****      *     *     *  *******        *  *******  
*     *  *     *    * *    *     *  *              *  *        
*     *  *     *    * *     *   *   *              *  *        
*     *  *     *   *   *    *   *   ****           *  ****     
*     *  *   * *   *****     * *    *              *  *        
*     *  *    *   *     *    * *    *        *     *  *        
 *****    **** *  *     *     *     *******   *****   *******