Gemstone treatment
Dyeing, Pearls
Color can concentrate around drill holes, blemishes, cracks, or nacre boundaries. Some dyed pearls show unnatural uniformity.
01
What to look for
Color can concentrate around drill holes, blemishes, cracks, or nacre boundaries. Some dyed pearls show unnatural uniformity.
02
What it means
Dyeing changes pearl body color to imitate naturally colored pearls or create fashion colors. It must be disclosed.
03
Expert move
Inspect drill holes first. Dye concentration in the drill channel is one of the easiest clues.