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If you can’t afford to replace it, don’t laser it

By Tom Weishaar

Burned Diamond 01
Most of the time a laser beam passes through a clean, clear diamond and nothing happens. However, there are times when the laser beam hits an impurity and a burst occurs, like in the diamond shown here. For this reason, I no longer use a laser to re-tip over expensive diamonds or coloured gemstones, although for melee, it is a viable option. The savings in time and materials outweigh the inevitable loss of a stone or two. Stone damage occurs approximately one per cent of the time.

Tom WeishaarTom Weishaar is a certified master bench jeweller (CMBJ) and frequent speaker on jewellery repair topics for Jewelers of America (JA). He can be contacted via e-mail at tweishaar@cox.net.

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