A diamond single stone ring

A diamond single stone ring, the old cut diamond weighing approx. 0.30ct with similarly cut diamond shoulders, estimated colour I-J, estimated clarity P2, stamped 18ct & Plat, ring size M1/2, gross weight 2g.Condition Report Overall condition fair Ring band thinning, resized Diamond with a couple of chips to girdle, visible with magnification One claw snapped, secure in setting