metalNgems, epic fantasy digital painting of a heroic knight standing calmly, wearing ornate polished steel and gold armor inlaid with gemstones. The armor surfaces are mirror-polished, catching crisp reflections and glowing highlights. Emerald and sapphire gems are set into the breastplate and gauntlets, emitting a soft magical glow. Dramatic but controlled lighting, cinematic composition, luxury craftsmanship, ultra-detailed.