1. Loose stones of any kind are considered a defect. Stones will be tested with a set-testing machine to test tightness, as well as tweezers to test security.
2. Stones must be set level and consistent in height with respect to design.
3. Prongs must be even in shape, length, and placement. There should be no gaps between prongs and the stones.
4. Bezels must be smooth and even in thickness, and in proportion to the size of the stone they secure, with no gaps between the bezel and the stone.
5. In channel settings, stone tables must be set in the same plane, or follow a curve consistent with the design. The channel walls should be even and smooth, with a consistent seat cut for the girdle of the stones. Stones should be set girdle to girdle.
6. Stones should be set so that the culet is not exposed. Some designs may call for exposed culets, but the culet should not be felt during wear or taking item on or off.
7. Pearl jewelry such as earrings, rings, brooches, clasps, etc. must incorporate a cup and post for each pearl (or at least a post, depending on design/placement), with the pearl half-drilled and epoxied onto the cup and post.
8. Epoxy or glue may be used for pearls, inlay, and some cabochon opaque stones such as onyx, jade, etc. It may not be used for semi-precious or precious gemstones.