3D Model: A Highly Realistic Gold Bar Placed On A Dark Velvet Surface, With Soft Studio Lighting Reflecting Off The Polished Metal Surface. The Gold Bar Has Sharp Edges, Engraved Text '999.9 Fine Gold' And Weight '1 KILO' Clearly Visible. Detailed Surface Reflections, Subtle Scratches, Warm Yellow Metallic Color. Scene Rendered In 4K With Ray-traced Lighting And Depth Of Field. Photorealistic Shadows And A Slight Bloom Effect. No Background Clutter.