HOW TO CHOOSE YOUR PEARL
Tahitian cultured pearls are best viewed on a white background. In soft light, the pearls luster reflect light, It can display a diverse range of hues when exposing them to different environment.
Choosing the right pearl can be difficult due to the variety of colors and shapes available. You may have noticed instances where two pearls with identical specifications are priced differently. This is largely due to the season, they were purchased or harvested on a different region; these daily market movements are normal. Additionally, each pearl is unique and distinct, despite the fact that they are typically classified based on standard criteria such as color, luster, shape, surface, and size. 
Shape
Pearls form spontaneously, much like keishi, the small pearls that reject the nucleus and retain only the graft tissue around which aragonite aggregates. Tahitian cultured pearls come in a variety of shapes, which are typically classified as round / semi-round, oval / button, drop, circled, semi-baroque, and baroque. While round pearls have long been the preferred shape of buyers, other categories are attracting an increasing number of designers who draw inspiration from the pearls' natural shapes to create one-of-a-kind jewelry. pearls of various shapes
Colour
Although Tahitian pearls are frequently referred to as black pearls, they come in a variety of colors. They exhibit an infinite variety of shades in their natural state: cherry, cream, peacock, green, blue, grey, and white, to name a few. Choosing is, first and foremost, a matter of personal preference.
Images is only for references for better education on pearls.
Lustre
A pearl’s radiance consists of its lustre and orient. The lustre, or shine, is determined by the degree of light reflection on its surface. Beautiful lustre means that light is totally reflected, resulting in a mirror effect. The weaker the lustre, the duller the effect is. The orient determines the iridescence of a pearl, which comes from the decomposition of light through the layers of nacre. Beautiful orient results in a soft rainbow effect, similar to that seen on soap bubbles.
Size
The size is usually specified in millimetres, with the largest pearls being the most rare and valuable. The majority of Tahitian cultured pearls are 8-14mm in diameter. Extremely rarely, some exceed 18mm in diameter and are regarded as extremely rare treasures.
Images is only for references for better education on pearls.
Grades / Quality
The surface quality of Tahitian cultured pearls can be appreciated by naked eyes. As with all natural products, some pearls show surface imperfections. we have five pearl categories: Top Gem (perfect quality, no defects); Category AAA (tiny spot,very light imperfections almost not visible, Clean face); Category AA (marks on less than two-thirds of the surface); and Category A (relatively important marks).
Images is only for references for better education on pearls.
Pearl Valuation
Generally, the larger the diameter and rounder the shape of a pearl, the more valuable it is, but exceptions exist. A large, low-quality pearl may be worth less than a smaller, flawless pearl. Regardless, the color and radiance criteria unique to Tahitian cultured pearls continue to be the most deciding factors for experts, and out of Millions of Pearls, you may never find the Perfect shape and color pearls larger than 19mm; those are typically kept as a piece of the world's most prestigious collection.
All images used are for education purpose only