Artificially cultured pearls are first cleaned and sorted by grade before being sold to dealers.
The size of a volumetric pearl is calculated by its shortest diameter. The size of a typical pearl varies from eight millimeters to fourteen millimeters, and even sixteen millimeters. More than 18 millimeters is rare. So far, the largest pearl in the record is 21 mm in diameter.
The round pearls are recognized as the most beautiful pearls and are eager for them. Round pearls are extremely rare, but other shapes of pearls are also unique.
The gray and black pearls artificially cultured in the color of the Tahitian have various kinds of luster under the refraction of light. The most appreciated are malachite green, rich purple, sea blue and various shades of gray and iridescent. According to traditional aesthetics, fair-skinned people are suitable for wearing grey pearls, while those with darker skin are more suitable for wearing black pearls; of course, other factors such as eyes, hair, and the color of the clothes to be worn should be considered.
The so-called leather light of Piguang Pearl refers to its appearance, whether its appearance is smooth and illuminating, and whether the light source can reflect a charming color, which is the standard for measuring the light. The luster of Tahitian pearls is like a mirror. It can reflect people's reflection when looking directly, and it has the color of reflected light, especially the crystallization.
As with other types of pearls, the value of Tahiti cultured pearls is mainly determined by the quality of the skin. Identifying the pearl epidermis depends on how many flaws it has, such as dents, scratches, and black spots that reduce its value.
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