Pearl Jewellery

To view our range of pearl jewellery check below.

White Pearl Jewellery
Gold Pearl Jewellery
Tahitian Pearl Jewellery

Before you buy a pearl read this.

Perhaps the most loved of all gemstones, pearls occur in a wide variety of shapes and colors. They come in white, cream, black, silver and grey, also light yellowish and brown. The palette of pearl colors extends to every hue. The main color, or bodycolor, is often modified by additional colors called overtones, which are typically pink (sometimes called rosé), green, purple, or blue. Some pearls also show the iridescent phenomenon known as orient.
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Discover how these beautiful pearls are graded by Size, Shape and Colour.

Natural Pearls
Natural pearls form in the bodies, or mantle tissue, of certain mollusks, usually around a microscopic irritant, and always without human help of any kind.
Cultured Pearls
The growth of cultured pearls requires human intervention and care. Today, most of the mollusks used in the culturing process are raised specifically for that purpose, although some wild mollusks are still collected and used.

To begin the process, a skilled technician takes mantle tissue from a sacrificed mollusk of the same species and inserts a shell bead along with a small piece of mantle tissue into a host mollusk’s gonad, or several pieces of mantle tissue without beads into a host mollusk’s mantle. If a bead is used, the mantle tissue grows and forms a sac around it and secretes nacre inward and onto the bead to eventually form a cultured pearl. If no bead is used, nacre forms around the individual implanted mantle tissue pieces. Workers tend the mollusks until the cultured pearls are harvested.

Akoya Cultured Pearls
Akoya cultured pearls are the most familiar type of saltwater cultured pearl to most people in the U.S and other western markets. Many customers think of white or cream colored akoyas as the classic pearl used for jewelry, especially single-strand necklaces. Japan and China both produce akoya cultured pearls.
South Sea Cultured Pearls
Australia, Indonesia, and the Philippines are leading sources of these saltwater cultured pearls. South Sea cultured pearls can be white to silver or golden, depending on the type of oyster. Their large size and thick nacre, due to a long growth period, plus their limited critical growing conditions are all factors contributing to their value.
Tahitian Cultured Pearls
Cultivated primarily around the islands of French Polynesia (the most familiar of these is Tahiti). These saltwater cultured pearls, sometimes referred to as black pearls, have a wide color range. They might be gray, black or brown, and they can have blue, green, purple or pink overtones.
Freshwater Cultured Pearls
Freshwater cultured pearls are the most commonly produced pearls. They are usually cultured in freshwater lakes and ponds, often with many pearls grown in one oyster. China is the leading source for freshwater cultured pearls.

At Sinclair’s, we have limited stock of these pearls and only stock exceptional Fresh Water Pearls.

Pearl Grading

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.

Size

When other value factors are equal, larger pearls are rarer and more valuable than smaller pearls of the same type.

Shape

Round is the most difficult shape to culture, making it the rarest cultured pearl shape and if all other factors are equal also generally the most valuable. There are exceptions, though. Well formed pear, oval, or baroque (irregularly shaped) cultured pearls are also prized by pearl lovers.

Colour

Natural and cultured pearls occur in a broad range of hues. There are warm hues like yellow, orange, and pink, and cool hues like blue, green, and violet. Pearls have a wide range of tone from light to dark. Pearl colors tend to be muted, with a soft, subtle quality.

Pearl color can have three components. Body color is the pearl’s dominant overall color. Overtone is one or more translucent colors that lie over a pearl’s body color. And orient is a shimmer of iridescent rainbow colors on or just below a pearl’s surface. All pearls display body color, but only some show overtone, orient, or both.

The law of supply and demand determines the value of certain pearl colors at any given time. If supplies of high-quality pearls displaying a preferred color are low, their prices can rise to unusually high levels. Other complex factors, like fashion trends and cultural traditions, can influence color preferences.

Luster

Of the seven pearl value factors, luster might be the most important. Luster is what gives a natural or cultured pearl its unique beauty.
Excellent – Reflections appear bright and sharp

Very Good

Reflections appear bright and near sharp

Good

Reflections are bright but not sharp, and slightly hazy around the edges

Fair

Reflections are weak and blurred

Poor

Reflections are dim and diffused
Within a pearl type, when other value factors are equal, the higher the luster, the more valuable the pearl.

Nacre

Luster and nacre quality are closely related. If the nucleus is visible under the nacre, or if the pearl has a dull, chalky appearance, you can assume that the nacre is thin. This affects the luster as well as the durability of the pearl.

Surface

Like colored stones, most pearls never achieve perfection. Some might show abrasions that look like a series of scratches on the surface, or a flattened section that doesn’t affect its basic shape, or an irregular ridge that looks like a crease or wrinkle. If surface characteristics are numerous or severe, they can affect the durability of the pearl and severely depress its value. Surface characteristics have less effect on the pearl’s beauty and value if they are few in number, or if they are minor enough to be hidden by a drill-hole or mounting.

Matching

Jewelry designers sometimes deliberately mix colors, shapes, and sizes for unique effects, but for most pearl strands, earrings, or other multiple-pearl jewelry, the pearls should match in all the quality factors.