/imagine prompt: product photograph of Ruby silver ring, close-up, floor reflection, floor-to-floor lighting background, side softbox lighting, iso 100, shutter speed 100, aperture f11, best realistic, sharp, top softbox lighting, right spot light, slightly up from front of camera angle, floor and background boundaries cleanly realistic ray tracing reflections sharp Studio Lighting Tone Mapping --no watermark,text,sign,SIGNATURE --v 4 --style 4c