Yellow Tomato and Peach Gazpacho

Name: Yellow Tomato and Peach Gazpacho
Ingredients: 4 pounds ripe orange or yellow tomatoes (4 to 6), such as beefsteak or heirloom, cored and coarsely chopped; plus 1 medium tomato, cored and finely diced, for serving; 6 large fresh basil leaves, plus small fresh basil or opal-basil leaves, for serving; 2 cloves garlic, chopped; 2 tablespoons sherry vinegar; Kosher salt and freshly ground pepper; ½ English cucumber, peeled and finely chopped; 1 small purple, red, or yellow bell pepper (stem, ribs, and seeds removed), finely diced; 1 purple scallion, thinly sliced, or ¼ cup finely diced red onion; 1 ripe peach, seeded and finely diced; Extra-virgin olive oil, for drizzling