Pendent with heart hanging in the bridge 3D model

The model is done in blender 2.91 and rendered in cycles.The model is a golden pendent designed like a Curve with a bridge in between and a heart diamond hangs under the bridge.The bridge is decorated with diamonds.The blue heart is seated on a metal seat which hangs via chain link.The size of the pendent:Height (only pendent)-21.5mmWidth (only pendent)-19.6mmDepth (only pendent)-2.9mmThe stl file is exported without diamonds.