Cabochon Ring

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