The Catamounts (8-3) led by as many as 21, 67-46, on Fjeld's layup with 10:42 left. But Iona (7-5) responded with a 20-3 run to bring it to 70-66 on Scott Machado's free throws with 5:10 remaining. Machado then pulled the Gaels within 1, 80-79, on a layup with 16 seconds left.
However, Vermont would make all four of its free throws -- two each from Simeon Marsalis and Accaoui -- to seal it.
Fjeld finished with 19 points and 11 rebounds and Brendan Bald added 17 points for Vermont.
The Catamounts outrebounded Iona 48-38, including 13 by Brian Voelkel.
Oklahoma State basketball player Tyrek Coger died after a 40-minute team workout on the football stadium stairs in hot weather, university officials said Friday.
Prospective NCAA championship host cities must identify local anti-discrimination laws in a questionnaire being sent out by the college sports governing body.
The Class of 2017 is full of talented big men, but Richards is getting noticed by more programs during the current evaluation period in Las Vegas.