Things to consider before you buy high-quality Tanzanite

high quality tanzanite


Tanzanite is among the finest gemstones on the planet and one of the most underrated concerning its scarcity.Its name derives from the only known source in Tanzania. It has surpassed Blue Sapphire as the most common colored stone on the market. It is the only known supply of a gem form with a well-established and ever-increasing demand. It is widely accepted that the existing Tanzanite resource could be exhausted in a matter of decades, and as such, it has earned the moniker "One Generation Gemstone." 

Maasai tribe members discovered Tanzanite in the foothills of Mount Kilimanjaro in 1967. According to legend, a bush fire swept through the region heated some surface-lying gems, turning them blue. While herding their cattle through the places searching for grass, the tribesmen noticed the sparkling blue stones.  

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Process of mining tanzanite

Tanzanite, like most colored stones, is primarily mined on a small scale by "artisanal" miners. There are households or community groups assigned a mining claim by the government and who mine a small claim collectively. Tanzanite One, a multinational corporation, mines one portion of the mining sector. 

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How much does a Tanzanite cost?

The value of a Tanzanite is highly dependent on its consistency. The 4C's are used to assess the consistency of all gemstones. The finest intensely saturated colors that are exquisite command premium prices, while pale or included (lower clarity) stones demand far lower costs. Explore here more on GIA Certified Tanzanite


Tanzanite Heating - Does all Tanzanite Heated?

This question is something that always triggers our minds. Most people used to get confused considering the role of heating in Tanzanite.

Tanzanites are heated to remove the brown axis, which leaves behind the well known blue colour.

Does heating tanzanites impact at the time of certifying it as a GIA Certified Tanzanite?

Certification is done based on tanzanites colour, carat, weight, shape, and shape.

When tanzanites are mined, they are found in three different colours on three different axes or directions.

Tanzanites brownish colour appearance is turned into a blue hue by using heating up tanzanites.

And this blue colour is considered to certify whether Tanzanite is GIA certified Tanzanite or not.


Trichroism and Red Flash in Tanzanite why it is crucial to know before you buy high-quality Tanzanite 

Tanzanite gems come in blue and violet hues. We only know this much but do you know Tanzanite is a light-sensitive gemstone? It means its colour changes in varying circumstances. 

But why does this happen? The truth behind this mystery is Tanzanite's trichroic effect. Tanzanite chemical structure causes the double refraction of white light as it passes through it. 

When rough Tanzanite is looked at from 3 different axes, it shows three different colours. It will show blue colour on one axis, another in reddish-brown and the other in deep violet. 

It is this trichroism that is responsible for changing tanzanite colour under different light sources. 

So next time when you hear the word "Red Flash" or wonder why your Tanzanite changes so much colour at different times of day, or in rooms of your home or in a restaurant and why its colour was blue when you initially buy high-quality tanzanite from showrooms or online store now you know why. 


Things to consider before you buy high-quality Tanzanite

Tanzanite, like diamonds and other gemstones, focuses on four C's of quality: color, clarity, carat weight, and cut. These factors are considered when one plans to buy high-quality Tanzanite. These factors will help you understand and decide whether the stone is of high quality or not.

  • Color- This is by far the most critical factor. Still, it is probably the most difficult of the four C's to judge online due to various factors, not least the unreliability of photos shown on different seller's websites. Color saturation, in essence, determines color consistency. The next hurdle to tackle is learning about the various color grading systems available. As you do your study, you will come across a variety of systems, ranging from the GIA system to the Tanzanite Foundation system and the IGSL system. Everyone has their approach. When looking for stones online, having a clear understanding of how these systems operate would be extremely beneficial. Consider these points when seeing whether the Tanzanite is of high quality or not.
    • Darker, more vibrant colors are more difficult to find and more costly than lighter colors.
    • Tanzanite gemstone size and color are closely related: larger stones appear to show the darkest colors, while smaller ones are typically pastel colored.
    • The worth of the gemstone declines as the saturation point of the color falls.
    • Smaller Tanzanite is considerably simpler than larger Tanzanite. Very dark Tanzanite over 3 carats is almost impossible to find.
    • When tilted and rocked, all Tanzanite is a combination of blue and violet and will reveal both colors. Tanzanite is characterized as blue with a violet tint or the opposite.
    • There is no reduction in cost between blue and violet influential tanzanite.
  • Clarity- Blue Tanzanite may be either flawless or highly utilized. The clarity grade has a significant impact on its consistency and value. As a result, it is important to consider the various terminology used in the industry and the inclusions found in Tanzanite. The GIA classifies Tanzanite as a Type 1 gemstone, so it must be flawless to be considered top quality. Tanzanite can be found in relatively clean crystals. As a result, when purchasing, the quality is completely "flawless" or glare stones. If you can see some tiny holes, crystals, or inclusions within Tanzanite with your own eyes, the stone can sell for a lower price.
  • Cut- Check for stones with perfectly straight, well-cut faces. Is there a bulge on one side of the cushion? Is the round, in reality, round? Are the heart's lobes of similar size? If not, you must decide how much this will affect your enjoyment of the stone. Look for "windows" in the stone as well, which are parts of the stone that appear almost white or translucent. When a stone is poorly cut, light spills through the base of the stone instead of reflecting off the edges and back to your eye. The cut's consistency is extremely critical. It is a field that is often ignored in this day and age of catalogue websites that offer mass amounts of medium grades cut in India's cutting houses. When cutting, these cutting houses usually employ a slew of weight-saving methods, which can raise the finished weight of a Tanzanite by up to 30%. This means that the actual real cost of a Tanzanite will be far higher than you know.
  • Carat weight- This is the final of the four Cs and has the least effect on consistency. A carat is a weight measurement unit that equals one-fifth of a gram. In general, the larger the Tanzanite crystal in the same consistency bracket, the more uncommon it is. This is because larger crystals took longer to form, which is impressive given that Tanzanite can take over 500 million years to develop! Within quality brackets, carat weight becomes essential. Of course, a 3 carat striking, investment-grade color with top clarity is much more rare and precious than a 10 carat B-grade color with inclusions.


Some other factors to consider when deciding to buy high-quality Tanzanite

  1. Lighting- Tanzanite is highly light-sensitive, with fluorescent (yellow) lighting causing it to turn violet. Be mindful that your Tanzanite can appear very different inside at night and outside during the day.
  2. Some people are drawn to the concept of "unheated tanzanite," which is sold at a higher cost by some retailers. It is impossible to prove whether tanzanite was heated by man or by accident, and no credible gemological laboratory would certify for "unheated" Tanzanite.
  3. Diamonds are the only gemstone with a standardized grading scheme. Consequently, there is a perplexing variety of words used to characterize Tanzanite on the internet, most of which are completely arbitrary and dependent on the author's personal opinion, education, and commercial motives. Because of this, customers need to purchase from a reliable source. 


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TIP - In order to buy high-quality tanzanite make sure to shop from a reputated jeweler, stones such as tanzanite, rubies are some of the stones which makes fraud/ fake detection a bit high if you shop from local market.

Though with some of the ancient metholodies you can detect the fraud, such as testing the gems in natural light and more. Next whenever you buy a tanzate make sure it is graded and certified by Gubelin. 

Iris Gems is a GIA , Gubelin certified gemstones dealer which is prominent in selling grade a quality of stones and also member of GIA since its inception (1985).


Tanzanite Imitations, Synthetics and Enhancements - What to Watch Out For when buy high-quality Tanzanite?

When we buy high-quality tanzanite, one of the most concerning things is whether what is being purchased is genuine. From a buyer perspective, it is essential to be aware of the pitfalls that exist in the market in this regard.

Though Tanzanites are rarely synthesized, many other limitations and treatments, such as coatings, exist in the market that a tanzanite buyer must take care of.

Tanzanite Synthetics

Tanzanite has never been successfully synthesized. However, such an attempt has been made in the last decade in Russia. However, Gemologists can easily identify synthesized/manufactured Tanzanite using several tests. 

As a layman, you can spot tanzanite synthesis by looking closely at the back facets with a loupe which can be easily purchased from the market. 


The most common tanzanite imitations are Cubic Zirconia (CZ), Yttrium Aluminum Garnet (YAG) Synthetic Spinel, and coloured glass.

One can easily spot these imitations as all of these are singly refractive, whereas Tanzanite is doubly refractive.  


The coating is another factor to beware of in Tanzanite. It is an attempt that sellers usually try to coat lower grade Tanzanite with a light cobalt coating to improve the appearance/ look of the colour. Though nowadays this practise is rarely used, it is essential to be aware of it.

Buying high-quality tanzanite seems an exciting exercise, as you are purchasing something rare and beautiful. However, it is equally important to be informed of the significant pitfalls and sidestep them as an informed buyer. 


Buy Iris Gems Gia Certified Tanzanite Stones at Exclusive Prices - Get 15% Off On Your First Purchase

If you are looking for the rare GIA Certified Tanzanite Stones , a collection that is extremely rare that very people have seen or own, then we are the specialist in selling top class gemstone pieces.

Our Tanzanite collection is cherry-picked from the mouth of the mines by GIA and other Gemologists. 

Shop from our top Gia Certified Tanzanite Stones collections and experience the beauty and aura of gemstones. Some of our highly demanded tanzanite collections-


1. Tanzanite Trillion- 4.70 Carat

This clean eye gemstone has several tiers of facets that create an incredible display of light. 

Its AAA grade colour makes it more attractive it is a rare piece from the tanzanite family. 

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2. Tanzanite Oval

This tanzanite stone is vividly coloured- its peacock blue colour with a clear flash colour makes it decent among other precious gemstones. 

Gemstone Lover who are looking for rich blue colour tanzanite stone in this size will not be disappointed.

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Why buy high-quality tanzanite from Iris Gems?

Buying high-quality tanzanite is a good investment. Further, buying an optimum range of tanzanite is the best investment you can make while buying high-quality tanzanite.

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How can you tell its a high- quality tanzanite?

Tanzanite's value can be a bright, intense blue. However, in exceptional tanzanites, the colour is an intense violetish blue with red flashes of pleochroic colour coming from within the stone. Due to the gem's strong pleochroism, modelled examples typically show a mix of blue and violet colours in a wide range of tones.

Tanzaniteh high- Quality Factors

Tanzanite is a various gemstone that comes in a variation of sizes and hitting styles. Although it was only seen in the late 1960s, it should quickly fix itself as one of the premier gemstones on the earth.

Iris Gems Top Seller Gia Certified Tanzanite Stones

Iris Gems Blue Tanzanite was the biggest seller of the year. Our Gia Certified  Tanzanite Stones are highly used in jewellery making and for astrological purposes. 

We believe in selling high-quality gemstones. If you look at our shop inventory, then you will find a bit limited stock, but we keep our self updated as per our customers choice. 

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Our Tanzanites have brilliant hues of blue, violet and purple. Though our sapphires also used to be the top sellers, these stones deep blue colour makes them attractive among all other gems, especially when it comes to the gemstone's beauty.

Our Tanzanites are extraordinarily rare, and these are thousand times good and rare than diamonds from an investment perspective as well. 

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Each gemstone is one of a kind. No two are identical, and each has a distinctive look. The beauty of colored gemstones is comparable to a beautiful garden of virtually limitless variety. As a result, the ideal gemstone for you may not be the most costly or "impeccable" stone – but rather one that appeals to you and makes your heart flutter.

Explore our collection here


Is it safe to buy high-quality tanzanite online?
People nowadays are scared of buying online for obvious reasons. Shopping for tanzanite online is safe if you use your common sense- number 1 always check for terms and conditions before you buy high-quality tanzanite online. Second Make sure you can get your money refunded by 100% if for any reason you are not satisfied. 

Is it a good decision to make an investment in tanzanite?
Top-quality tanzanites are told like a good investment due to their rarity and value.

How much does real tanzanite cost?
The price of  colored tanzanite generally lies between US$700 and US$1200/ carat for certified and top graded tanzanite. Generally, the larger the stone the higher side will be its cost per carat for the same colour, cut and clarity.

How do I know that my tanzanite is genuine?
First of all, make sure your tanzanite is graded. Like all other precious and semi-precious stones is graded in the GIA lab. The top grade of Tanzanite is "Intense Violetish Blue". 


What does a GIA certified tanzanite stone mean?

A GIA certified tanzanite is a stone evaluated by GIA. GIA(Gemological laboratory) examines a stone quality on multiple factors-such as stone colour, cut, shape, weight(carat), its origin and more. And if the stone is not natural or lab-created then GIA names any detectable treatments. 

What makes GIA certified tanzanite so unique?

Tanzanite, the gemstone of a generation, are mined in Tanzanian near Kilimanjaro. 

Tanzanites are certified as natural, heated, treated, or Gia certified tanzanite, considering multiple factors. 

Because when it is certified by the Labs, it has to go under several tests such as colour, cut, size, carat, weight, and origin. 

Once the final report is prepared, it justifies that this tanzanite is of high quality and 100% natural.

What is so special about GIA certified tanzanite?

GIA assess characteristics of the tanzanite gemstone-like shape, size, colour, cutting style, roughness, polish. These characteristics identify whether it is natural or lab-made and, if then, detect the treatments. 

To buy Gia Certified Tanzanite click here or visit us

Is buying high-quality tanzanite a good investment?

Tanzanite gemstone has a unique niche that makes it very attractive and is often a prefered choice for investors; further exclusivity makes it the best option for investment.

It's is counted among the world's rarest gems; it is mined in a short area in Tanzania called Merelani. To buy high-quality tanzanite visist us

How to care for GIA certified tanzanite stones?

With a hardness of 6.5-7 on Mohs' Scale, it is one of the most popular well-suited gemstones to wear. Tanzanite is a gemstone that needs to be stored carefully to avoid scratches and scuffs. 

When cleaning GIA certified tanzanite stones, make sure to clean with lukewarm water and gentle soap, you may also scrub the stone with a very soft bristle toothbrush. 

Once you are done cleaning, gently dry the GIA certified tanzanite stones with a chamois or soft towel.