Based on the provided pencil sketch, create a digital prototype of the logo, minimizing details and background elements. Main elements: a diamond and a droplet that, upon touching the diamond, creates airy waves. Limit the color palette to pastel blue, silver, white, and soft green shades. Avoid adding unnecessary shadows, gradients, patterns, and decorative elements. Focus on the clarity and simplicity of the depiction, blurry, bad anatomy, extra limbs, poorly drawn face, poorly drawn hands, missing fingers