3D, intricate, ornate, ancient, mystical, stone brooch, gold accents, Celtic-inspired, architectural details, Gothic arches, Romanesque columns, mythical creatures, dragon claws, lion heads, floral patterns, vines, leaves, gemstones, rubies, emeralds, sapphires, diamonds, shiny metal, weathered, rusty, distressed, old, antique, museum-quality, highly detailed, realistic textures, ambient lighting, dramatic shadows, 3/4 composition, close-up shot, isolated on white background.