I have planned forever to have this little pin converted to a ring, but just never followed through. Though small at 7/8", it is a very well-made piece and my gut tells me it was a link in a very fine bracelet once. But then, there really doesn't appear to have been fittings filed off. The pearl is real; the stones are chalcedony. The center is open. The pin back is soldered on. The pin frame is sterling silver. The pearl has lovely iridescent nacre.