Diamond Heart Faceted Black Jewel Against Darkness.

Black diamond heart cut radiates crystalline brilliance through intricate faceting and reflective surfaces. Rendered in photorealistic 3D, the gemstone exhibits sharp geometric planes catching light across its dark depths, creating prismatic highlights throughout the cut. Brilliant white reflections dance across the faceted crown while deep indigo shadows define dimensional volume. Against pure black background, the lustrous heart form dominates composition with intense contrast, emphasizing its sophisticated cut and impeccable polish throughout every geometric facet.