Harvard to Participate in 2015 Diamond Head Classic HONOLULU, Hawai'i - The field is set for the 2015 Hawaiian Airlines Diamond Head Classic at the Stan Sheriff Center in Honolulu, Hawai'i. The field for the seventh annual event – to be played Dec. 22, 23 & 25, 2015 – includes Auburn, BYU, Harvard, New Mexico, Northern Iowa, Oklahoma, Washington State and tournament host school Hawai'i.