Carter and Loeb took the title by downing teammates Laura Slater and Kate Vialle by the score of 8-2 on Monday afternoon.
The win capped a busy day for Carter. First she teamed with Loeb to win, 8-4, over third-seeded Beatrice Gumulya and Jessy Rompies from Clemson in the semifinals.
Carter then took on top-seeded Beatrice Capra of Duke in the Main Draw Singles final. She won the first set 6-4, before dropping the final two sets by identical 6-4 scores.
The other doubles semifinals also featured a Carolina vs. Carolina head-to-head matchup. Slater and Vialle outlasted Ashley Dai and Tessa Lyons, 8-6, to reach the doubles finale.
Carolina will next compete at the National Indoor Intercollegiate Championships Nov. 7-10 in Flushing, N.Y., and the Kitty Harrison Invitational in Chapel Hill on Nov. 8-10.