In spite of the fact that there is no generally perceived evaluating framework for pearls, six principle factors commonly decide the quality, excellence and value of a pearl, which are:
The most interesting thing to know about pear shading is that it can range across the entire spectrum of the rainbow. The color refers to two specific parameters i.e. overtone & color when deal when dealing with pearl quality and value. It can be sorted either as a warm-shade (purplish red to greenish-yellow) or cool-shade (ruddy purple to yellowish-green). A decent quality pearl demonstrates a profound and equally spread overtone.
Contrary to the common perception not all pearls have a round shape. Regularly, rounder pearls are thought to be of higher quality and of higher monetary value. Pearls are also available in the following shapes:
> Semi-round shaped pearl
> Drop shaped pearl
> Half rounded shaped pearl
> Baroque shaped pearl
> Semi baroque shaped pearl
Furthermore, the baroque shaped pearls are completely without any symmetry and have irregular shape.
Nacre, otherwise called mother-of-pearl, is the brilliant material discharged by a mollusk to shield it from aggravations, making a pearl eventually. Likewise it also lines within surface of a shellfish shell. More often than not it is made of calcium carbonate and conchiolin. It is considered that the thicker the nacre higher is its quality.
Pearl radiance alludes to its light-reflecting capacity, commonly depicted as its brilliance or gleam. Great quality pearls sparkle brilliantly, and reflect light sharply. If you somehow managed to take a gander at a great pearl, you would be able to see your own appearance. The cloudier, chalkier or more blunt the pearl, the poorer the radiance, and the lower the quality of it.
In order to determine a pearl’s size, the measurement of its diameter in millimeters is done. If in case the pearl is formed in a completely round shape, measurement is done by the shortest diameter. The estimate value of pearl can never be determined from its size.
It is broadly acknowledged that no pearl will ever be totally "impeccable", yet the most noteworthy quality pearls have about immaculate, clean, imperfection free surfaces. While analyzing a pearl, check for spots, imprints, splits, stains, or some other defects. The better the surface of the pearl more is its reflective power and hence bumps or flaws n its surface will deteriorate its value.
A pearl’s diameter is measured in millimeters in order to determine its size. If the pearl is not a perfect sphere, it is measured by the shortest diameter. The estimate value of pearl can never be determined from its size.