The event featured the Rough stone grand prix tournament finals, in which Asami Kodera, Mika Nagano and Alexandra Sanchez became the first Jewels champions. The first fights and participants besides the Rough stone GP card were announced on October 2009 (2009-10). On November 9, 2009 (2009-11-09), Saori Ishioka and Sally Krumdiack along with two more fights were added to the event.Mari Kaneko was added to the card and it was announced that the event was sold out on November 30, 2009 (2009-11-30). The fight order announcement and weigh-ins were done on December 10, 2009 (2009-12-10).Hisae Watanabe was expected to make her return to MMA in this event, but suffered a broken foot during training and was unable to participate.
^ In a controversial decision, after Ishioka got Krumdiack with a weak armbar. The referee asked Krumdiack if she was okay, to which Krumdiack responded with her that she was. But the referee mistook the answer and incorrectly stopped the fight. Ringside official immediately recognized the error and it was expected that the fight would be ruled a no contest, but, so far, the result still stands as a victory for Ishioka.
^ Despite launching some strikes, Kagoshima was unable to have a significant offense on Nagano, who dominated both rounds and tried several submissions before finally getting an armbar.
^ Sugiyama attempted several submissions through the fight, with Ozeki being able to defend without mounting an offense.
^ Despite a four-year absence, Kaneko dominated Tomita the whole fight with Tomita trying ineffectively submission attempts and Kaneko connecting knees and punches.
^ Ozawa got her first professional victory in a match that Inoue started dominating but could not keep up the pace. Ozawa took the offense and was dominating the fight by the second round.
^ Although Kusaka was making her MMA debut, she managed to make Yamada go to a decision, the first time in Yamada's career, but Yamada still won the unanimous decision.