Il n'y a pas de lumière sans ombre.Louis Aragon
Well, I can't recognize jewelry in this. Thus, I suppose, it might be a part of clothing or something for it.
Using two such well-known logos in one place looks very overloaded and sprays the attention of any viewer.
The use of such a symbol is optimal for a particular design. The choice of one type or another depends on the goal and the desired result.