refined texture

Professional architectural-style jewelry still life featuring Diamond Ring; Scene setup: matte white marble blocks arranged in a stack of geometric steps; No models; The ring is perched on the edge of a stone block; Use harsh single-point spotlight to highlight crisp metal edges; Maintain the exact original product proportions and mirror-polished gold; Camera: eye-level straight on using 100mm macro at f/8 for deep focus; Color palette: cool grays and whites.