The paper deals with the possibility of using a screening method for the assessment of intellectual giftedness at preschool age by two groups of persons – nursery teachers and parents. It presents The Characteristics of Giftedness Scale (CGS) for preschool children from Linda Silverman and its Czech translation that was verified from the aspect of parallel validity with a standardized IQ test. The CGS was filled in by experienced nursery teachers and by parents of preschool children and their assessments were analysed from the aspect of similarity and diversity. The results show that teacher assessment is closer to the IQ test results compared with parents who tend to overestimate their children. Eight items with low agreement between the two groups of respondents were identified and their expected sources discussed.