you did not mention your locale - is it also in louisville? if it
is, or if it not far away, then take a copy of your agreement with
the gallery to the county courthouse and file against the gallery in
small claims court. the newspapers usually list such claims every
week or so their cheating will come out.
also, when you are assigned a date to appear in court for your
claim, take any and all paper/notes about your calls to the gallery -
the notations can be on napkins, calendars, old receipts, old
envelopes, paper towels, anything at all with about your
calls and their response (or lack thereof). courts will accept any
records - in fact, such impromptu notes can be acceptable as more
believable than neat, orderly records, theycan prove the chronology
of your case.
don't worry about embarrassing the gallery - i mean, what can they
do, refuse to accept more jewelry from you?
good luck -
who knows that when you stand up for yourself, no one can use you for a
doormat. do it people!