An 18ct gold five stone opal and diamond ring

An 18ct gold five stone opal and diamond ring, an oval cabochon opal with two Swiss, old eight cut, or brilliant cut diamonds at each side, all claw set, to later replacement flat section shank, London, 2.36g.
Finger size O½
Sold for £140

Condition report:
Shank is a later replacement.
One modern brilliant cut diamond is a later replacement.
Shank slightly out of shape.
Shank slightly thinner at base.
Opal slightly abraded.