How To Cap a Stone
26 gauge silver sheet
Cut and dome a 1/4 inch disk A. The size of the disk depends upon the stone B.
Place the dome on a lead block with the cup up. Punch a hole in the center C. File the rough edge of the hole D.

22 gauge silver wire
Make a loop in a short length of wire E.
Insert the ends through the hole in the dome F.
Spread the wire against the sides of the cup G.
Bend the dome slightly oval to fit the stone.
Insert adhesive tape in the loop.
Apply liquid cement inside the cup.
Bind the dome to the stone to form a cap H.
Remove the tape when the cement is dry.

