When channel setting, place a strip of double stick tape in your stone tray. Then, stones can be laid out on the tape in the same order as in the mounting. The tape will keep them in order even if the tray is bumped.
To Learn More About Stonesetting
Attend the Bench Jewelers Conference
April 23 - 25 ~ St. Louis, MO
For complete list of Seminars go to: http://benchconference.com/seminars.html