For this reason cultured pearls are graded to help gem customers understand the features of their pearls.
What are good quality pearls.
While there is no standardized grading system for pearl quality there are a number of factors that help determine the value of a pearl including pearl type size shape color nacre quality and luster plus its rarity and weight for natural pearls or size for cultured pearls.
Any pearl that appears too white dull or chalky is of low quality.
The qualities that determine the overall value of a natural or cultured pearl or a piece of pearl jewelry are size shape color luster surface quality nacre quality and for jewelry with two or more pearls matching.
When other value factors are equal larger pearls are rarer and more valuable than smaller pearls of the same type.
The cleaner the surface of the pearl the more valuable it is.
The value of a pearl varies widely.
Best quality pearls are determined by luster nacre thickness and quality the outer layer color surface perfection shape and size.
Quality is an essential factor when shopping for any type of pearl.
The biggest factor of pearl quality is nacre thickness and quality which determines how long the pearl will last.
Pearl necklaces are usually threaded onto either silk or synthetic fibers but a good quality necklace should use thread that matches the color of the pearls as closely as possible.
You should be able to see your reflection clearly on the surface of a pearl.
Look for an absence of disfiguring spots bumps or cracks on the.