Pasta Salad with Cucumber, Tomato and Cilantro

1 cucumber
1 cup ripe red tomatoes, diced
1/2 cup red onion, finely chopped
2 tablespoons fresh lime juice, fresh
1 tablespoon cilantro, chopped
1 teaspoon granulated sugar
1/4 teaspoon salt
1/4 teaspoon black pepper
1 cup dry small shell pasta, cooked and drained

Peel, seed and dice the cucumber. Place cucumber, tomato, red onion, lime juice, cilantro, sugar, salt and pepper in a bowl with pasta. Toss gently. Chill thoroughly prior to serving.