Jewels 6th Ring

Jewels 6th Ring was a mixed martial arts (MMA) event held by MMA promotion Jewels. It took place on December 11, 2009 at Shinjuku Face in Kabukicho, Tokyo, Japan.

Background
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. On November 9, 2009, 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. The fight order announcement and weigh-ins were done on December 10, 2009. 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.