The inner ring is engraved with (Kananfei PD 950 ZWF14 #10.02 CT D 0.138 CT).
These parameters are diamond origin, material (95% palladium), ZWF (short for Zhang Wanfu jewelry, brand of ring), number 14, ring number, main diamond size 10.02CT, and small diamond size (broken diamond size). These parameters can generally be found on the ring, but these do not mean that the ring is real.