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o, pearls can have tones rated in intensity. Darker toned pearls are more desirable and expensive compared to lighter toned pearls. Many natural body colors are available in pearls including white, black, gray, blue, gold, pink, and green. Distinctive colored pearls are rarer and harder to find. Have a qualified gemologist check the pearls to make sure they have not been dyed, especially for costlier pearls like the black or golden varieties. Examine pearls?surface for blemishes. Although is best to check for most pearl characteristics on a light background, it is best to check for blemishes on a dark background. Check in both intense and diffused light. No pearls are perfect and small blemishes can be sacrificed for more important quality like nacre and luster. Pearls with higher luster conceal blemishes better. When choosing pearls also consider shape. There are three pearl shapes including symmetrical, spherical, and baroque. The spherical is the rarest and most desirable. Symmetrical pearls include teardrop or pear-shaped pearls and desirable but usually less expensive than spherical pearls. Baroque pearls are irregularly shaped and often the least expensive. Size should also be taken into consideration. Larger cultured pearls are rarer and more expensive. Akoya pearls over 7 ?millimeters are much more costly and prices dramatically rise with each ?millimeter over 8 millimeters. South Sea and Tahitian pearls al 上一页 [1] [2] [3] [4] 下一页 |
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