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Black Onyx Price Per Carat: Unleash the True Worth of this Gemstone Today!

Onyx, a captivating semi-precious gemstone that evokes charm and intrigue, comes in an eclectic palette of colors. Its vivid yet mysterious appearance sets it apart from other gemstones, creating an enchanting awareness around it. However, they don’t all possess the same allure — the black Onyx, standing out brilliantly, possesses an unparalleled elegance.

As with most good things in life, its value is neither readily understood nor straightforward. Gemstone value assessment, therefore, is an essential part of truly appreciating any gemstone, including Onyx.

This article takes a deep dive into the enigmatic Black Onyx, unraveling its worth from various angles, such as color variations, market demand, rarity, carat, and price determination.

We shall also gaze into the exciting future of the black Onyx market. Glean insights on everything from how to evaluate your Onyx piece, to understanding the dynamics of the gemstone market, as we journey into the fascinating world of black Onyx.

What is Black Onyx?

Onyx, a widely recognized semiprecious stone, holds great importance in the world of gemstones. In mineralogy, Onyx is a variant of the oxide mineral class that is layered with a variety of colors such as black, white, or a combination, manifesting unique bands and morphology.

These colors mainly result from the varying formation conditions, making each piece truly distinct. As with all gemstones, understanding their value can be a complicated task, pointing towards the importance of a systematic assessment based on several critical factors which we will dive into during this article.

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Understanding the Black Onyx Worth

The value of black Onyx is subject to a multitude of factors, like size, craftsmanship, color intensity, quality, origin, and the presence or absence of flaws or inclusions. The demand for black Onyx fluctuates, depending on the predilection of the fashion world, creators, and consumers alike, directly impacting its cost.

Valuation methodologies employed range from visual or physical inspection, and spectrophotometry for color analysis, to engaging gemologists’ appraisal services for a detailed valuation report.

black onyx Price per carat?

Black Onyx cost per carat typically increases proportionately with the size: larger stones indeed command a higher per-carat price. Other influencing factors include but are not limited to, its untreated or natural state, overall quality, and demand-supply dynamics.

You can typically find black onyx from $1 to $500 USD per carat.

If compared to other Onyx colors, like green or red, black maintains a broad appeal, influencing its price favorably from the demand perspective.

The Rarity Factor in Onyx Color

Rarity in the world of gemstones is commonly associated with its color’s uniqueness. The rarest color of Onyx is said to be green, but black is considered the most desirable due to its wide acceptance, deep rich shade, and versatility.

The desirability associated with this shade greatly affects its price in the marketplace.

How to Determine The Worth of Your Onyx

Establishing the worth of your Onyx involves careful consideration of the weight (size), cut quality, symmetry, finish, and color intensity. Always ensure to observe your gemstone under a high-quality light source for any flaws or inconsistencies. For an accurate assessment, seeking a professional gemologist’s opinion is advisable.

Top organizations like the Gemological Institute of America (GIA) or Egl USA can provide reliable gemstone appraisals.

How much does black onyx sell for?

Known for its sleek and alluring appearance, black onyx is a gemstone that is admired by many. But just how much does this dark beauty go for on the market? The answer is, it varies.

The price of black onyx can depend on a number of factors, such as the quality of the stone, the cut and shape, and even the demand at the time. Some sources suggest that black onyx can sell for anywhere from a couple of dollars per carat to over $100 per carat. It all depends on the specific details of the stone itself.

Nonetheless, one thing is certain – black onyx is a timeless gemstone that is sure to make a statement in any piece of jewelry.

Is the black onyx expensive?

Black onyx is a precious gemstone that has been popular for centuries. Known for its sleek black appearance, the stone has been used in jewelry and decorative objects for centuries.

When it comes to pricing, black onyx can vary depending on the quality, size, and demand of the market. Like any precious gemstone, the price of black onyx can fluctuate depending on various factors. However, in general, black onyx is considered to be an affordable stone, making it a popular choice for individuals looking to add a touch of sophistication to their accessories without breaking the bank.

Nonetheless, its beauty and durability make it a worthwhile investment for those looking for stunning yet affordable jewelry.

Is black onyx rare?

Black onyx has intrigued gem enthusiasts for centuries. This captivating mineral is a form of chalcedony and is usually found in black or dark grey hues. Its mystical and symbolic significance has been valued throughout history, and it has been used in jewelry, carving, and art for thousands of years.

While it may seem like black onyx is a common mineral, it is actually a rare find. This is due to its formation process, which occurs over millions of years under specific geological conditions.

As a result, black onyx remains one of the most sought-after gemstones in the world. Its beauty and rarity make it a valuable addition to any gem collection.

What is the rarest color of onyx?

Onyx is a stunning stone that has been prized for its beauty and symbolism for centuries. This rare and precious gemstone comes in a variety of colors, but some shades are particularly rare and difficult to find.

When it comes to the rarest color of onyx, there are several contenders, including pink, blue, green, and black. However, the most elusive and coveted shade of onyx is the purest form of white.

This rare white onyx is prized for its translucent quality and smooth, milky appearance, which makes it a highly sought-after gemstone for designers, architects, and collectors alike. While white onyx may be hard to come by, its striking beauty and unique characteristics make it well worth the hunt.

The Future of Black Onyx Market

Changing consumer trends, advancing technology, and the influence of enlightened consumers together play a pivotal role in shaping gemstone’s future market including onyx. More mindful consumption favors ethically sourced stones, making this a critical area for the Onyx trade.

Predictively speaking, the value of Black Onyx may witness growth, given its humongous popularity.


Understanding and subsequently determining the value of your black Onyx requires careful consideration of factors such as color, cut, and carat weight, combined with market demand dynamics.

As onward trends suggest, the Onyx gemstone will continue to take center stage in the jewelry industry, particularly thanks to its ethical mining opportunities. In conclusion, the exquisite black Onyx, with its timeless appeal and significant affordability, will possibly persist as a shining star among gemstones.


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