Dimond outlasted West in five sets Tuesday night to cement its regular-season championship and relegate West to the No. 4 seed in next week's Cook Inlet Conference tournament.
The Lynx got double-digit kills from three players, including 13 from Alissa Pili, whose final kill provided match point in the 25-14, 22-25, 21-25, 25-13, 17-15 thriller at Dimond High.
The victory allowed Dimond to end the regular season with a 13-1 record.
West dropped to 9-5, which puts the Eagles in a third-place tie with South. South will be the No. 3 seed and West will be the No. 4 seed in the conference tournament.
In other matches Tuesday, South, Bartlett and Chugiak all swept their opponents.
The CIC tournament runs Tuesday through Saturday at Service High.
Tuesday's results
Dimond def. West 25-14, 22-25, 21-25, 25-13, 17-15
Dimond — Alissa Pili 12 kills, 14 digs; Mia Ekstrand 11 kills, 15 digs; Madelyn Shockey 10 kills; Jalyn Osborne 23 assists, 10 digs; Hahni Johnson 18 assists, 27 digs; Maya Carle 40 digs, 6 aces.
Bartlett def. Service 25-12, 25-7, 25-11
Bartlett — Leeanna Atafua 26 assists, 10 digs; Pa'ia Togaga'e 10 kills; Charity Lega 10 digs; Kendra Camell 6 kills, 4 blocks; Violett Togaga'e 5 aces.
Service — Carly Burington 8 kills, 3 digs; Julia Fetko 2 kills, 10 Digs, 15 assists; Haley Jensen 5 kills, 6 digs.
South def. East 25-20, 25-15, 25-19
South — Emilye Grace Williams 16 kills, 12 digs, 2 blocks; Zoey Keene 30 assists, 2 aces, 3 kills; Makenna Besch 6 kills, 3 blocks; Erin Doner: 5 kills, 3 blocks, 3 aces.
East — Daisy page 7 kills, 13 digs; Nyanuer Bidit 7 kills, 2 solo blocks; Precious Fagafaga 20 assists, 3 aces.
Chugiak def. Eagle River 25-16, 25-18, 25-20
Chugiak — Malia Mortensen 4 aces, 25 digs; Sophia Lestina 12 kills, 19 digs; Allison Chase 20 assists, 2 aces.
Eagle River — Landry McGee 13 kills, 10 digs; Liz Rhuele 26 assists, 12 digs; Geena Graf 21 digs.
CIC standings
Dimond 13-1
Bartlett 11-3
South 9-5
West 9-5
East 8-6
Chugiak 4-10
Service 1-13
Eagle River 1-13
CIC first-round matches at Service High
Tuesday
3:30 p.m. — West vs. East
5:30 p.m. — Bartlett vs. Service
7:30 p.m. — Dimond vs. Eagle River
Wednesday
5:30 p.m. — South vs. Chugiak