I just thought I would add a bit of nostalgia, I could not resist.
There are actually THREE Patron Saints of jewelers & goldsmiths:
Agatha: Martyred and Canonized (by pre-congregation) c.250; not
known to do smithing herself at all. I’m not sure why she is called a
Patron Saint of jewelers, although she IS the Patron Saint of all
Eligius: Canonization (by pre-congregation) date unknown; named the
traditional “Saint of All Smiths” because of his patronage to horses
and the people who worked with them.
And of course, Dunston: Canonized in 1021, also the Patron Saint of
Blacksmiths. He was himself a very notable gold and silversmith and
is most often the cited Saint for smiths specifically. I prefer to
cite Dunston as our Saint, myself, too. As he was the earliest Saint
to be actually “called” (I guess by God, as well as by the Smiths,
haha! Pardon the pun, is it better to say “named”?), specifically for
I LOVE the name you chose for the dog; it’s fantastic! Wish I could
help you out with him, but I already have 2 dogs myself, and anyway I
am too far away, as I live in Northern Ohio.