Silver elven pendant

This prompt describes the requirements for a photograph or render of a silver elven pendant with a small emerald gemstone. The pendant should have floral motifs and be on a white marble background. The lighting should be cinematic with depth of field and bokeh soft volumetric lighting. The rendering should feature intricate details, perfect proportions, and realistic natural tone saturation with medium contrast. The software used for rendering should be Unreal Engine 5 with Octane render, Lumen ambient occlusion, illumination, reflection, and soft ethereal lighting.