– 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 .