Ultra-Luxury Jewelry Campaign Collage (2x2 Grid)

Prompt

{ "generation_request": { "meta_data": { "task_type": "ultra_luxury_jewelry_octagon_campaign_2x2", "language": "en", "priority": "highest", "version": "v3.0_EDITORIAL_COLOR_HARMONY_SERIES" },  "input": {   "mode": "image_to_image",    "reference_images": [     "yellow_jewel_editorial_reference",     "green_jewel_editorial_reference",     "pink_jewel_editorial_reference",     "blue_jewel_editorial_reference"   ],    "reference_strength": "very_high",   "identity_lock": true,   "face_similarity_priority": "maximum",   "style_reference_priority": "maximum",    "notes": "Generate a high-end luxury jewelry campaign collage inspired by top fashion house campaigns. The same female model identity appears across all panels but with different elegant hairstyles and couture styling. Maintain the octagon crystal frame composition and strong monochrome color worlds." },  "output_settings": {   "aspect_ratio": "4:5",   "orientation": "portrait",   "resolution_target": "ultra_high_res",    "num_images": 1,    "layout": {     "type": "grid",     "rows": 2,     "cols": 2,     "gutter": "thin",     "outer_border": "none"   },    "render_style": "luxury_fashion_editorial",   "sharpness": "editorial_crisp",   "grain": "very_subtle_analog_film" },  "scene": {   "environment": "minimal luxury studio",   "background_style": "smooth monochrome gradient backgrounds matched to jewelry tones",   "frame_element": "transparent beveled crystal octagon frame",   "composition": "model centered within octagon frame, elegant fashion portrait crop" },  "panels": {    "top_left": {     "theme_color": "golden yellow",     "color_palette": ["champagne gold", "warm yellow", "soft ivory"],     "background": "luxury golden gradient",     "wardrobe": "elegant yellow silk couture dress",     "jewelry": "yellow diamond necklace, layered gold bracelets, sculptural gold rings",     "hairstyle": "high sleek ponytail",     "pose": "model lifting her ponytail with confident editorial pose"   },    "top_right": {     "theme_color": "emerald green",     "color_palette": ["emerald", "deep jade", "soft mint"],     "background": "rich emerald gradient",     "wardrobe": "emerald hooded couture bodysuit",     "jewelry": "large emerald gemstone necklace and stacked emerald bracelets",     "hairstyle": "modern sleek low bun",     "pose": "model touching the hood edge elegantly"   },    "bottom_left": {     "them...