Envision a vintage-inspired diamond icon with ornate filigree and subtle gemstone-like textures, placed on a distressed wooden background with a warm, golden lighting, evoking a sense of nostalgia and luxury.

Design a futuristic diamond icon with a metallic sheen, surrounded by a halo of light, floating in a dark space with stars and planets in the background, conveying a sense of otherworldliness.

Create an illustration of a shiny diamond icon with intricate details, set against a gradient background of deep blues and purples, with subtle sparkle effects to give it a luxurious feel.