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Topaz Quality Factors

Each colored stone species has its own beauty and value factors. For example, an aquamarine and an emerald are both beryl, but they can’t be judged by the same standards, so buyers judge a gemstone’s beauty by comparing it with other gems in its own species.

This article will provide you some basic information about all 4 factors (4Cs) that affecting price of the gem topaz

Color

Red-colored is just about the most expensive of all topaz shades and also presents less than one-half of just 1% of facet-grade topaz rough found worldwide. Along with the color calls by gem traders as imperial topaz can be very valuable and incredibly rare.

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Above: Imperial is one of the most highly prized topaz colors, as seen in this spectacular orangy-red, Pear-shaped gem. Gem courtesy of GIA

Several gemstone traders insist which a stone need to exhibit a red pleochroic color to be considered as imperial topaz. The red pleochroic shade generally shows up at the tip or on the side of faceted gems—like pears as well as ovals—that have an otherwise yellow-to-orange body-color.

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Above: Represent bicolor shade in topaz which is the result of surface treatment call "mystic bicolor topaz"

A faceted topaz in which demonstrates a mixture of two distinct body-colors is referred to as bicolor topaz. A few people said that pink topaz, often called rose topaz, is similar to a lilac diamond or maybe a brilliant pink sapphire.

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Above: Faceted commercial quality pink topaz from Minas Gerais, Brazil

Pink topaz provides certain benefits over these pink sapphire, and pink diamond. It’s a much more affordable when compared with pink diamond, in addition to pink topaz often available in bigger sizes as compared to either diamond or pink sapphire.


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Above: Faceted fine quality quality prcious topaz from Minas Gerais, Brazil

Gemstone traders generally make use of the business term “sherry topaz” for yellowish, brownish or perhaps yellow to orange hues topaz. The idea of originates from the color associated with sherry wine beverages. Topaz in this coloration range can also be referred to as precious topaz. This assists distinguish them from less pricey citrine along with smoky quartz, the two which look just like, and they are usually misrepresented as, topaz.

Golden or yellow topaz that doesn’t exhibit the precious reddish pleochroic colored overtones of imperial topaz are a lot more abundant and as a consequence a less valuable. Even though brownish hued topaz can be a lesser amount of valuable, it has been found in eye-catching pieces of jewelry as well as in ornamental fine art.

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Above: Represent typical shape and size range of topaz rough

With Mother Nature, topaz is mostly found as colorless, or near colorless. And blue topazes that occur naturally are very rare. In the market, nonetheless, strong blue shades are usually common. Treatments are generally the reason for serving this purpose. Gemstone treaters employ a mix of radiation as well as rising temperature to generate glowing blue shades in topaz.

When it had been first introduced to the marketplace, irradiated blue topaz sold for $20 to $40 per carat. Although oversupply had caused massive drops in wholesale prices, decrease to a couple of USD dollars as well as less for each carat. Nowadays, blue topaz is defined as any mass-market gem; in addition to price can often be an important thought for most potential buyers. Uniformity or color shade and cutting is also critical, for mass-market jewelry producers.

Clarity


Faceted topaz gems are often free of visible inclusions or flaws. This especially true of blue, colorless, and yellow topaz.

Cut

As a consequence of topaz crystals are generally elongated or perhaps columnar; they’re frequently cut as long oval as well as pear shapes to obtain maximum recovery from the rough. If your rough is vividly shaded, the cutter frequently prefers cutting them to emerald cut because that cutting type efficiently utilizes color as well as maintains probably the most bodyweight.


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Above: A modern mixed cutting style dramatically intensifies the color of this 11.28-carat bright London blue topaz

Topaz can be cut throughout a wide variety of shape as well as cutting designs. Manufacturing consists of the many standard shape and sizes use in mass jewelry manufacturing such as ovals, pears, cushions, rounds, triangles, marquises, and emerald cut, together with designer-inspired fantasy designs..

Carat Weight

Standard topaz cuts for the jewelry industry include a wide range of shapes and sizes. The gem is inexpensive in smaller sizes, but prices rise for gems above 10×8 mm.