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Gemstone Education
Discover fascinating information about the gemstones you love, and learn about their cuts, clarity, color, and more.
There is an infinite variety of gemstones. Certain gemstones, like sapphire, are available in a variety of hues, including blue, yellow, and green. Let's examine some well-known jewels' specifics.
Factors of Quality
Just like with diamonds, a variety of factors affect a gemstone's quality. Let's take a close look at each of these elements to see how they help us determine a gemstone's grade.
Color
Color is a highly crucial factor to all gems, and each type evaluates color differently. In the jewelry industry, the quality of gemstones is determined by these three-color components.
- Hue
The gemstone's primary or distinguishing color is referred to as its hue. Stated differently, hue describes a color's shade, tint, or impression.
- Tone
A gemstone's tone, which can range from transparent to completely black, indicates how intense its color is. To put it more simply, tone is defined as a hue's relative lightness or darkness. Gemstone tones are classified as "light," "medium-light," "medium," "medium-dark," and "dark." Most people consider the tone that falls between medium-light and medium-dark to be the most valuable.
- Saturation
The strength or clarity of a gemstone's hue or color is referred to as its saturation. A highly saturated gemstone is more valuable than a less saturated one because it lacks gray or brown hues. A gemstone's cut is frequently determined by its saturation. The fewest inclusions are visible and a uniform color throughout the stone are guaranteed by an excellent cut.
Any color is possible for precious stones, and a single stone can have a wide variety of tones and colors. While sapphires might be pink, yellow, deep blue, or green, garnets come in a wide variety of vibrant colors.
Be advised that certain maintenance is necessary for gemstone treatments, which improve their appearance or longevity.
Definition of Clarity

A gemstone's clarity refers to whether it has internal or external faults. Perfect gemstones are expensive and rare. Most precious diamonds have tiny flaws that can be seen by close examination or with a 10x magnification. Any kind of flaw or imperfection, including inclusions, fissures, spots, clouds, and so on, might be present in a gem.

Diamonds are graded on a range from perfect to included 3, while colorful stones are graded on a different system. The classification of precious stones is defined by three 'Types', which are based on distinct clear tendencies.
- Category I
Colored diamonds in Category I have few or no defects. Tanzanite, Zircon, Blue Topaz, Morganite, and Aquamarine are a few examples. From VVS (hardly seen to seen), VS (a bit), SI1 (obvious), SI2 (clear), to I (inclusive), we grade Type I stones.
- Category II
Gemstones of kind II are essentially flawless. Corundum, garnets, iolite, peridot, quartz (including amethyst, citrine, and ametrine), ruby, sapphire, spinel, and other gemstones are examples of type II gemstones. We assess this Type II category's lucidity. The clarity rating goes from I (prominent, altering visual appeal) to SI1 (obvious), VS (noticeable), VVS (minor), and SI2 (prominent).
- Category III
Colored gems in Category III are usually always inclusion filled. This group of gems can include tourmaline, emeralds, and so on.
There are many levels of clarity in the Type III classification. These levels are I1 (affecting appearance or durability), SI1 (prominent), VS (obvious), and VVS (noticeable). A particular level of detectability, transparency, or observability is represented by each level. The I1 level has the greatest obvious impact on durability or attractiveness, while the VVS level is the least evident.
- Inclusions and Value
Because they are natural materials, gemstones frequently include innate imperfections called "inclusions." Since these inclusions are specific to every stone, they are also known as "birthmarks." A few inclusions give the gemstone a unique look and an unconventional design feature.
A multitude of gemstones can be used in place of or in addition to the conventional diamond in engagement rings. While citrine, green tourmaline, and aquamarine are typically faultless, emerald and red tourmaline contain imperfections. Because of incredibly small imperfections that are invisible to the human eye, the gemstone is rare and hence expensive.
Carat Weight and Rarity

The weight of a gemstone determines its worth, not its size. The weight of these stones is expressed in carats, where a carat is equivalent to a fifth of a gram.
Because gemstones vary in their mass per unit volume, or densities, stones of the same size might weigh differently. For instance, the weight of a one-carat Emerald and a one-carat Ruby can be the same. Their sizes will differ, though.
They differ in their mineral composition, which is why this happens. The density of these minerals differs.
Larger gemstones like rubies, emeralds, sapphires, and tsavorite garnets are rarely seen by the public. When these pricey gems are larger in size than their lesser cousins, the price per carat increases significantly. Gemstones such as amethyst, citrine, blue topaz, and amber are frequently found in larger proportions. Consequently, their carat value stays the same no matter how big they are.
Cut and Beauty

While gemstones are formed by nature, a talented gem cutter brings out their beauty and brightness. Gemstones are organically formed by nature. However, enhancing their brilliance and beauty calls for a qualified gem cutter.
Brilliance is defined as the amount of white light that reflects to the unobstructed eye. On the other hand, beauty results from the combination of color, cutting accuracy, and surface design.
When we discuss cuts, we discuss two different things.
The shapes that are included in the three-dimensional design include the marquise, round cut, oval cut, and so on.
Precise angles and proportions are necessary for excellent cutting, which is what gives the piece its brightness and beauty. It's the way a gemstone catches the light and catches sight. A well-crafted cut ought to exhibit symmetry and vibrant light reflections. Asymmetrical cuts are indicative of poor quality.