[Jewelry making - Article 01064] - Re: [Orchid] Platinum coated diamonds

[james newton]

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    I have burned a couple of melee when platinum soldering close to
    them, but have never seen them "coated": they appeared frosted, but
    were actually pitted. A wedding band rep, that did a lot of platinum
    and diamond bands, told me they used to have to allow for a small
    percentage of this sort of damage when having to size some of their
    rings with the torch, but after going to the laser this problem was
    eliminated. Now that I own the laser I never take a torch to
    platinum, and it's even possible to retip in platinum without
    removing the stone.
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