The black mini with bright points scatters small details over a dark ground and pairs them with a prominent neck line and long bright element.
The dark base remains clearly visible between the small highlights. It gives a different starting point from a model densely covered in round reflective elements. If you prefer less continuous sparkle, use this distribution as a comparison. Consider how much additional decoration you would like the shoes or bag to provide beside it rather than assuming the dress needs more accessories.
The neck line with its long bright element already plays an important role in the picture. It creates an additional vertical connection across the upper dress. A further long piece of jewellery would add another line in the same area. Try your own combination without that addition first, then decide whether you want more or less detail there.
The short uneven lower edge and visible side folds also belong in the overall view. However, a complete shoe combination is missing from the photograph. Answer that question using your real shoes. The image then remains a useful decoration alternative without invented product information or an imagined complete outfit.