Icher played full-time on the Ladies European Tour in 2004, ending with five top ten finishes including a win at the Catalonia Ladies Masters. She retained her non-exempt status at the 2004 LPGA Final Qualifying Tournament by finishing tied fifty-fifth and elected to play her rookie season on the LPGA beginning the year with conditional playing privileges. A second-place finish at the Corona Morelia Championship in Mexico meant that after the re-rank she earned her full LPGA card for 2005. She finished 30th on the money list in her rookie season. She returned to the Ladies European Tour to play in the Catalonia Ladies Masters which she successfully defended. She started the 2006 season by pairing with Gwladys Nocera to represent France at the Women's World Cup of Golf.