The difference between Lilac and Doves is only coat color. Lilacs are a deep
purply grey, whereas Doves are light silvery grey. Both have red eyes, but
the ef gene causes a lightening effect in the Dove gerbil. Have a look at
the AGS's new "Color Strip" page, it should help you figure it out :)
http://www.geocities.com/agsprojects/ColorStrip.html?985014306460
Sarah