Gemstone | Gems Benefits | Gemstone Powers - Chakrayog Jan. 2017 | Page 9

– this involves using a narrow focused beam of laser light to burn an open channel from the surface of a diamond to reach dark inclusions. This is generally followed by the use of a chemical forced into the channel to dissolve or alter the appearance of the inclusion.
Diamonds are the only gemstones to be treated in this fashion, in part because only they can withstand the heat of a laser.

LASER DRILLING

– this involves using a narrow focused beam of laser light to burn an open channel from the surface of a diamond to reach dark inclusions. This is generally followed by the use of a chemical forced into the channel to dissolve or alter the appearance of the inclusion.

Diamonds are the only gemstones to be treated in this fashion, in part because only they can withstand the heat of a laser.