Create an ultra realistic 4K square image featuring the inserted necklace displayed exactly as it exists in real life with zero alterations to its shape, proportions, gemstone geometry, prong positions, metal thickness, facet layout, or overall design, keeping the pendant strictly oval, maintaining the exact prong style and spacing, preserving the precise gemstone cut and facet pattern, and retaining the exact chain structure and link dimensions without any reinterpretation or redesign. Position the necklace around a single pink flower with soft ruffled petals and a long green stem placed diagonally from the lower left toward the upper right, ensuring the chain follows the true physical curvature of the petals and stem without stretching, warping, or modifying any product details. The chain must behave with accurate weight and flexibility, creating believable contact points and gentle compression on the petal surfaces without sinking into them, forming natural slack and micro kinks where gravity pulls the links downward, while the pendant hangs perfectly vertical with its original proportions. Capture the scene from a slightly elevated front angle at close range using shallow depth of field so the necklace and upper flower remain in critical focus while the background falls into a soft blur. Use soft diffused studio lighting from the upper left at approximately 4800K to create clean metal reflections, realistic gemstone sparkle, and natural shadows under each chain segment that touches the flower, while maintaining balanced exposure with no glare or distortion of product details. Keep the background as a clean gradient transitioning from light gray at the top to darker gray at the bottom with no texture, and ensure all shadows, falloff, occlusion, and material interactions adhere to true physical behavior for a premium natural result.