A stunning black onyx engagement ring set in 14K White Gold with 1/2 CT total weight Diamonds. Bold rectangular 8×6.8mm black onyx gemstone frames the .268Ct 4mm SI1-S12/H-I Round Diamond. The engagement ring is finished with 14 SI1-S12/H-I Round Diamond (.008 Ct 1.16 MM) and 28 SI1-S12/H-I Round Diamond (1mm .005ct). The perfect onyx engagement ring for the modern woman. Buy this onyx engagement ring or the complete wedding ring set.