This is an engagement ring and wedding band matched set! The contours of the rings are meant to interlock when the rings are fused.
The engagement ring is a 14K white gold setting, with one roundbrilliant diamond set in the center in a 4-prong crown. Size is 4-3/4.
The center diamond is 0.41 ct Round, Excellent Cut, Near Colorless (G), VS1 Clarity, and excellent symmetry. It has been graded by the Gemological Institute of America (GIA), and has laser inscription of the certification number on the girdle: GIA 2131604017.