When it comes to Tahitian pearl grading, it particularly considers six distinct factors such as size, shape, color, luster, surface quality and nacre thickness.
Size
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Natural pearls are sold inspecting the weight, Tahitian pearl has no exception. Until fairly this time, the weight is measured in the unit of 'grains', where one carat equals four grains. On the other hand, cultured pearl are sold depending on the millimeter size. So while the measurement, diameter of the round pearl is measured along with the distance and width of the pearl as well. Nonetheless to say, the size influences the estimation of price and there is a strong correlation in the middle of these two factors. In fact, the larger is the size, the higher is the price of the pearl. Large cultured pearls are scarce and costly.
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Shape
During Tahitian pearl grading, the highest value is given to the spherical or round pearl. It is rare. The degree of sphericity or roundness determines its value. A perfectly round pearl is tremendously exceptional and expensive. The higher the proximity towards perfectly round shape, the higher is the price. While designing a beach of necklace, notice of the shape of the pearl is very prominent in order to provide the necklace an appearance of uniformity.
Color
Colors are exclusively prominent as the individual preference over color greatly varies. The cultured pearl offers more and more colors today. Most of these colors are unusual and idiosyncratic alternatives to approved white pearls.
Luster
Luster can be defined as shine with depth. When the pearl has good luster, you will be able to see a sharp difference creating the illusion resembling a ball. The more intense is the ball, the higher is the luster in the pearl. Luster is measured by inspecting the sharpness or brightness. It is thought about on the quality and quantity of light reflection over the surface of the pearl.
Surface Quality
Surface quality refers the quality of the skin of the pearl free from any potential small blisters, pimples, spots or cracks. The cleaner is the surface of the pearl, the costlier it is. While analyzing the surface quality of a single Tahitian pearl, it is examined in distinct shades of light, dark background, retention the pearl by zooming in and zooming out the eye level.
Nacre thickness
It determines the longevity of a single tahitian pearl [http://tahitian-pearl-review.com/tahiti-pearls.html]. The thicker is the nacre, the longer is the life span of the pearl. Nacre quality sets the way light travels through the pearl.
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