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Pearl Treatment (2)
Maybe you still want to know which pearl is dyed and which is natural and make the final decision. There is some tests provide to help you: Size If a pearl’s diameter is smaller than 9mm, and is obvious as Tahitian pearl or Golden South Sea pearl, that must be false color. Because of almost all Tahitian and South Sea pearls are larger than 9mm. Akoya oysters, on the side, can only produce a wide range below 9mm.
Drilled-hole Pay attention to the drilled hole of the pearl. If the nucleus looks dark and the nacre inside looks white, the pearl can be dyed. Another handhold that makes us clear: dyed pearl is dye concentrating around the drill hole or on some spot of pearl surface.
Color Take stock of the pearl color carefully. Any of the following evidences would tell us whether the pearl is dyed or not. First, dyed color can be dark to black, and without natural overtone. Second, as a creature of nature, the true color pearl differ from one to another. Third, if the pearls in the piece look the palpably same color, the pearls are dyed
Using Magnifier
Observe the surface of the pearl with a magnifier. If the color in or around the blemishes is stronger and more intense than the rest of the pearl, you can believe, this pearl has been dyed.
Price There are types of true color pearls are expressly expensive, for example: Golden South Sea pearl, Tahitian pearl, Akoya pearl with Rose overtone, it is Hanadama pearl. If the price is low beyond belief and the dealer doesn’t own a special reason for this price. The pearls are 70% treated.
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