| Year | Event |
| 01/1997 | Duel Jewel formed. At that time the original members were Shun and Val. There were only 2 original songs. |
| 02/1997 | First stage (or era) members break up. Activity was suspended. This time they were a 4 person group. |
| 05/1997 | Hayato joins. |
| 06/1997 | New guitarist joins (Takashi). Activity resumes. From here, Duel Jewel is officially a 5 person group. |
| 07/1997 | Activity base is in Juujou. Duel Jewel's 2nd stage begins. |
| 03/1998 | Base moves to Kagurazaka DIM |
| 07/1998 | Activity was suspended and thus ends the 2nd stage. Psy and Hayato leave the band. |
| 08/1998 | After activities were stopped, a present was given to the fans: a demo tape "Kaze [Wind] ~The Winding Garden~" which is no longer available. From here there is approximately 1 year of inactivity. |
| 01/1999 | Bass player Ka-non joins the band. |
| 03/1999 | Takashi leaves the band (he is currently in the band Samurai~cid~Hito). |
| 05/1999 | Hayato returns to the band. |
| 07/1999 | A support guitarist was added and so begins the 3rd stage. |
| 12/1999 | For those in attendance (at the live), the "Tsuki to tawamure"[Flirting with the Moon] demo tape was distributed. This demo is no longer available. |
| 04/2000 | Demo tape "Kuro" is published. By 07/01/2000, 200 copies are sold out. Demo is no longer available. |
| 07/2000 | Demo tape "Shiro" is published. Here also 200 copies were sold out. Demo is no longer available. |
| 10/2000 | Support guitarist, Yuya, becomes an official member. |
| 11/2000 | Demo tape "Chinmoku"[Silence] was given to fans. Demo is no longer available. |
| 12/2000 | Duel Jewel have their first one man show at Kagurazaka DIM. |
| 01/2001 | Duel Jewel's sponsorship event "Musou" [Unparalleled] begins. |
| 05/2001 | Duel Jewel becomes apart of Cyber Force. |
| 07/2001 | 2nd one man. Fans in attendance are able to purchase album before release date. |
| 08/2001 | First tour begins. |
| 08/2001 | First official cd, "Lapidary", is released. |
| 11/2001 | "Musou vol. 2" is done. |
| 12/2001 | Ka-non leaves the band. |
| 01/2002 | A support bassist (Natsuki) has been added as the tour begins. |
| 04/2002 | Natsuki becomes an official member. |
| 06/2002 | 1st US performance in Texas. Project A-kon, anime convention. 05/31/2002 - 06/02/2002 |
| 09/2002 | 2nd album, NOAH, is released. |
