Genuine blue topaz 6 prong shops sterling oval high end studs

Product code: Genuine blue topaz 6 prong shops sterling oval high end studs
These studs are gorgeous. Im not sure of the karat on then but they are a good size. They arent flimsy either these are shops high end and gorgeous. The backs are mismatched and the studs themselves are unmarked but all 4 parts test sterling.