Jack Friedman Sandton

I had my daughter's chain repaired through Jack Friedman (it was broken and they sent it away to be soldered), and within 2 hours of having it back, when all she did was move her hair, the chain broke again. I phoned Jack Friedman and was told that my daughter was warned that it was very delicate. Anyway, when I took the chain back to be repaired, I was told that I would have to pay again, and that I was told when I phone beforehand, that there was no warranty! This was not the case. It cost me R370 to repair a chain that cost perhaps R1,000. If the break was at the same place - and lasted 2 hours, how can I be expected to pay for the repair again?