[1][2] Diana started playing internacional beach volleyball at the age of 17 at the 2003 Swatch-FIVB U-19 World Championships in Pattaya Thailand, partnering with Martha Revuelta and losing the bronze medal match 21-19, 17-21, 15-7 from Frederike Fischer-Sandra Piasecki, from Germany.

After that she played at the FIVB Women's International Acapulco Tournament, with her sister Paola in 2005 finishing 33rd.

In 2006, she played in the SWATCH-FIVB U-21 Women's World Championship in Mysłowice, Poland Finishing in 9th place.

She also played with Martha Revuelta in 2005, and with Vanessa Virgen finishing 25th at the 2006 FIVB Women's International Acapulco Tournament.

She also played for the U-20 Mexico indoor women's national volleyball team in the 2006 NORCECA Women´s Junior Continental Championship U-20 as setter.