The creation of a pearl is nothing short of miraculous. Pearls are formed over time when an organic invader burrows deep into the soft tissues of a mollusk. The mollusk then coats the intruder with many layers of natural minerals and proteins, referred to as nacre.
The most valuable pearls occur spontaneously in the wild, but are extremely rare. These wild pearls are referred to as natural pearls. Cultured or farmed pearls from pearl oysters and freshwater mussels make up the majority of those currently sold. Imitation pearls are also widely sold in inexpensive jewelry, but the quality of their iridescence is usually very poor and is easily distinguished from that of genuine pearls. Pearls have been harvested and cultivated primarily for use in jewelry, but they have also been crushed and used in cosmetics, medicines, paint formulations and to adorn clothing.
Most Common Pearls
At SDE, we offer a variety of Freshwater, South Sea, Akoya and Tahitian cultured pearls. Our pearl jewellery is available in many styles, including studs, fashion earrings, strands, pendants, and bracelets. Our pearls are available in an array of prices so you can find the perfect item for your style and budget.
Are Natural Pearls Rare?
The odds of finding natural pearls in the wild are slim—it’s truly a game of chance. Because natural pearls are extremely rare, and the few that are available are exorbitantly priced, Blue Nile does not sell natural pearls. If you do happen to find a natural pearl for sale, it’s good to know that unlike cultured pearls which are graded by millimeters, natural pearls are graded by their carat weight.
Are Cultured Pearls Considered Real?
Although the process used to create a cultured pearl is induced by human intervention, the resulting pearls are every bit as real as the natural ones. Cultured pearls are farmed using one of two types of bivalve mollusk: freshwater river mussels or saltwater pearl mollusks. To create a cultured pearl, a tiny bead and a small piece of mantle tissue are implanted into the oyster to stimulate the production of nacre. We’ll break out the different types of cultured pearls, below.
Quality Factors For Choosing The Right Pearl
The value of a pearl varies widely. 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).
Other factors for assessing the quality of pearl jewelry is how well the pearls match from one to the next. For example, it can take years to produce a strand of South Sea pearls that are all the same millimeter in size, shape and color, which is why they command a high price.
Types Of Pearls And Their Price Points
Natural pearls will always be the most expensive because they are so rare. In the world of cultured pearls, South Sea pearls are the most valuable because of their large size and the fact that they are very difficult to grow. The most highly prized colors of South Sea pearls are golden or pure white. But, they also come in other colors, including silver and blue with green overtones.
At SDE.NO, we offer a variety of Freshwater, South Sea, and Tahitian cultured pearls, as well as two individual collections of Akoya cultured pearls. Our pearl jewelry is available in many styles, including studs, fashion earrings, strands, necklaces, pendants, and bracelets. Our pearls come in an array of prices so you can find the perfect ones for your style and budget.
A pearl’s color is also called the body color, presenting in various hues including white, white rosé, black, silver, gold or pink. A pearl can also have a secondary overtone, which is seen when light reflects off the pearl’s surface. For example, a pearl strand may appear white at first glance, but a closer look may reveal a translucent overtone that’s rose, green or blue.
Pearls produce an intense, deep shine called luster. This is a combination of the pearl's exterior shine and glow from within, created by light reflected from the calcium carbonate crystals that make up the pearl's nacre. Luster is determined by the nacre's thickness, degree of translucence, and arrangement of layers. These factors vary depending on the type of pearl and how long it’s allowed to grow. Contrary to popular belief, a pearl’s nacre is not related to its size. A tiny Akoya pearl may have amazing luster, while a large one that’s harvested too early, would be very dull.
There are several gem treatments commonly used to enhance a pearl’s beauty. It safe to assume that every Akoya pearl has been bleached to remove dark spots and create a more uniform color. This treatment may also include irradiation and dyeing. Dye is used to create many different hues, particularly with freshwater species. Irradiation is another method used to change a pearl’s natural color.
The size of a pearl greatly depends on the type. Cultured freshwater pearls range in size from about 3.0–13.0mm, Akoya pearls range from about 6.0–8.5mm, and South Sea and Tahitian pearls can reach sizes as large as 13mm. Of course, with an ideal environment and conditions, natural pearls can grow to be much larger.
How To Identify Real Vs. Fake Pearls
The biggest difference between real and fake pearls comes down to their surface feel. The surface feel of real pearls is slightly uneven, while the surface of plastic or glass beads is perfectly smooth. Because pearls are made by nature (or cultured to mimic the natural process), real pearls will also vary slightly in size, color and luster compared to the uniform look of fake pearls.
The top rule for pearls is that they should be the last thing you put on and the first thing you take off. Their luster can be dulled by hairspray, lotion and perfume. Wear them often and your body’s natural oils will keep them lustrous. Before putting them away, wipe them with a soft cloth. Store them apart from other harder jewelry to keep them from getting scratched. As an organic gem, pearls need to breathe. So, it’s best if they’re stored in a soft bag, not plastic.
If worn routinely, it’s recommended to restring a pearl strand or bracelet every five years, or if you see discoloration or fraying. Pearl strands that are tightly strung can sometimes be loosened by hanging them on a door knob in a bathroom, where the weight of the pearls and the moisture in the room help to straighten the strands out.
Pearls are glued to earring posts through an epoxy process. Occasionally they detach from the post. Don’t worry! Our experts will be happy to assist you with shipping them back for repair.
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