The luster of good quality pearls is sharp and bright. You should be able to see your reflection clearly on the surface of a pearl. Any pearl that appears too white, dull or chalky, is of low quality. Within a pearl type, when other value factors are equal, the higher the luster, the more valuable the pearl.
The combination of surface brilliance and a deep-seated glow, the luster of a good-quality cultured pearl should be bright, not dull. You should be able to see your reflection clearly on the surface of a cultured pearl. Any pearl that looks too chalky or dull indicates low quality.
An easy and old method to identify a real pearl is to use the “tooth-test.” Put the pearls up against your mouth and rub the pearls over the bottom edge of your tooth. A real pearl will have a light grit to it. A pearl made of plastic or glass will feel smooth.
An authentic pearl displays fluoresce under ultraviolet light because of the presence of natural organic compounds in its nacre. On the other hand, fake pearls are typically made out of glass or plastic and don't contain these natural organic compounds. As a result, they won't display fluoresce under UV light.
How are natural pearls identified? Natural pearls have a thicker nacre or “skin” when compared to cultured pearls. When held against a concentrated light source, a pearl with a thick nacre will show concentric growth lines, where layer after layer of nacre was added over time as described above.
In general, there're 7 factors that affect the pearl value: shape, size, colour, lustre, surface quality, nacre quality and matching. Like the 4Cs of diamond valuation, the pearl's 7 value factors are created by the Gemological Institute of America (GIA) to standardise pearl grading systems.
How Much Are Real Pearls Worth? A traditional strand of white pearls can range from $100 (Freshwater pearl necklace) to $10,000 (Akoya pearl necklace). A strand of large, flawless South Sea pearls could even be valued as high as $100,000+ .
A real pearl necklace can cost anywhere from $150 to $10,000+ or even more for exceptional examples. Affordable Freshwater necklaces can go as low as $150, while a classic Akoya necklace will cost anywhere from $250 to $5000+. For more information, read how Freshwater pearls compare to Akoyas. $130 - $5,000 or more.
Real pearls will be individually knotted. This means there is a tiny knot between every pearl. The knots prevent each pearl from rubbing against another and protect against loss if your strand breaks. However, high-end fake pearl strands are often knotted between each “pearl”.
While the white pearls are also priced by jewelers, the gold pearl variety is the most coveted color. The gold South sea pearl's color can range from creamy white to deep gold, and the darker the color, the more expensive it becomes.
genuine pearls have a high luster and a vivid appearance and under a lamp they distinctly reflect light. genuine pearls are as a rule heavier than their imitations. genuine pearls are cold when you put them on. necklaces, stands and bracelets made from genuine pearls are knotted and tightened.
The most common length for pearl necklaces, it is well suited for wear with crew and high necklines. It also complements low, plunging necklines. Because 18 inches is considered the classic length for pearl necklaces.
Genuine pearls are shinier than fake pearls. You can measure shine in luster, which is the intensity and softness of a pearl's surface, it generally has to do with how bright and clear a pearl looks. Natural pearls have more shine than artificial ones because they're made from natural materials.
Akoya pearls are the preeminent cultured pearls. They are the pearls that the Mikimoto brand popularized. Prized by royalty and pearl connoisseurs for centuries, Akoya pearls have long been coveted for their perfectly round shape, richness, and deep luster.
Perfectly hand-matched for colour and expertly balanced in size and with the world's most refined stringing technique, a strand of pearls is the Paspaley hallmark. A GIA (Gemological Institute of America) certificate offers additional assurance that our pearls have not been artificially enhanced.
Both natural and cultured pearls have textured surface due to their layered nacre structure. So when you rub the pearls lightly against each other or on your front teeth, they feel a little gritty. Fake or imitation pearls, however, usually feel smooth or glassy.
South Sea. South Sea pearls are often referred to as the Rolls Royce of pearls. They are the largest and most valuable pearls grown today, with average sizes ranging from 10 to 15 millimeters.
Pearl jewelry usually turns yellow as time passes because they dry out. If there is no air circulation and moisture where pearls are kept, their organic composition begins to change, which results in that yellowing.
Use the Tooth Test
The simplest way to tell if a pearl is natural or fake is to take the pearl and rub it against your teeth. “If the surface of the pearl feels grainy, then it is real,” explains Whitten. “If the surface feels smooth, then it is an imitation.”
The luster of good quality pearls is sharp and bright. You should be able to see your reflection clearly on the surface of a pearl. Any pearl that appears too white, dull or chalky, is of low quality.
Freshwater pearls are cheaper because they are easier to extract, making sea pearls more valued. Why? Sea pearls are larger, more beautiful in shape, luster, smoother surface and, of course, much more expensive than freshwater pearls.
The fact of the matter is this: almost all pearls sold today are cultured pearls, including freshwater pearls. In other words, there is no real difference when comparing cultured freshwater pearls vs. freshwater pearls. The real differentiator is the environment in which they are made, either freshwater or saltwater.
It's often assumed that because something's old it must be valuable. That's rarely true and certainly not for pearls. Advances in technology and culturing techniques mean you can buy a much better set of pearls for far less money than in grandma's time.