A single stone diamond ring

A single stone diamond ring, the brilliant cut diamond estimated to weigh 1.51 carats, in an eight claw setting, to an 18 carat gold shank, finger size O

The diamond colour estimated I-J, clarity I2, it has some small clear and dark mineral inclusions, and some small internal fractures. The shank has been replaced from the shoulders, the setting has some general wear, one of the claws is thin.