What a nightmare. Haven't cleaned it and De - scratched it yet, but got there in the end. Decided to put 1mm silver under the bezel instead of gold. Soldered Ok, not happy with the whole thing really, bit wonky, but it slipped with the heat and I didn't notice until it was cold. Not prepared to do it again, so if customer doesn't like it - tough I will take out the opal and give it back and keep the cuff myself.
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