Discount up to 35% for first purchase only this month.

6 things to know before buying blue diamonds

Of every single colored diamonds, blue diamonds are considered to be one of the most uncommon and most significant sorts. As far as an oddity is concerned, blue stones are similarly as surprising as red, pink, and violet stones. While all blue jewels are uncommon, the deepest blue ones are because of high shading power. The bigger the loose precious stone, the more extraordinary it is to discover, and consequently, as a blue jewel gets bigger, its worth goes up. Go through this article to know some interesting things about these extravagant blue stones.

What causes the coloration in blue diamonds?

Although it is stunning to discover such an excellent colored non-synthetic precious stone, blue diamonds are, to be sure, made in nature. Similar to the other precious stones, these blue ones are, in the way, formed when the various elements of carbon are fused together during the seasons of exceptional warmth for more than a huge number of years.  

The element, boron, is the primary driver of the jewel’s blue shading, yet nitrogen likewise assumes a job in deciding the intensity of the blue hue. In the event that nitrogen is low during the development cycle of the jewel, at that point, the precious stone’s tone will be a lot more extravagant when blended in with the significant levels of boron. 

Normally, blue diamonds are found with their shading, however, so as to prepare them for adornments, the cutting and cleaning included may influence the shading to an extent although negligible.

Where are blue diamonds naturally found?

As said above, blue diamonds are extremely rare. This arises from the fact that just a couple of areas on the planet produce blue jewels. These two areas include the Cullinan mine in South Africa and the Argyle mine in Australia. Be that as it may, previously, these stones were additionally known to have been created in the Golconda mine in India.

What are the types of blue diamonds?

Most blue jewels belong to the category of type IIb stones which represent just 0.1% of the world’s color precious stones. There’s a range (on the basis of color intensity) inside these blue stones that gives rise to a number of blue diamonds. They run from light to profound to vivid blue. Most diamonds likewise have a secondary shade that modifies their color to be more green or dark, for instance. 

Depending upon the color intensity, blue jewels look like light blue gemstones, energetic blue stones, or a blend of two colors like blue and purple. Some secondary tones add a tint and character to these stones leveling up their charm. Regardless of where the stone falls on the blue color intensity level, these stones will undoubtedly remain the most staggering and uncommon ones. 

Blue jewels have also a place in the group of fancy color diamonds, the name for precious stones that display a rich color. The blue precious stone’s worth depends on its 4’Cs (cut, color, clarity, and carat) with the color intensity being the most significant factor of all.

How much is a blue diamond worth?

Well, there are multiple variants of blue diamonds having a unique price tag. For example, the cost of a 0.3 carat light blue stone is nearly $15,700 while that of a 0.5 carat one is approximately $26,280 all things considered. Dark blue and vivid blue jewels cost substantially more, nearly $75,000 for a 0.25-carat piece. As blue color intensity goes up along with the carat weight, the cost swings between $100,000-$200,000. For example, a 0.84 blue marquise diamond is estimated at $336,100.

Certain color combinations like those with more dim than blue can be more moderate. For instance, a 0.50-carat gray-blue pear-shape diamond is valued at $32,100. In contrast, the intense blue radiant-shaped diamond costs around $210,775. 

Littler blue diamonds, similar to those under 0.3 carats, are more moderate and can be utilized to make exceptional gems pieces whenever combined with different stones. While calculating how much a blue precious stone costs, it’s vital to remember that the costs run drastically depending upon color and auxiliary tone. Since blue jewels are so rare and extraordinary in their particular color, it’s basically difficult to decide a blue precious stone cost per carat. That is the reason it’s critical to evaluate each blue jewel to decide whether it’s a good worth.

How rare are blue diamonds?

With multiple colors accessible nowadays, blue stones are among the rarest with violet, pink, and red stones. The colored jewels are a lot rarer than colorless jewels. Also, a few colors are rarer than the rest, for example, yellow and champagne color. Blue jewels belong to the type IIb category of precious stones which are incredibly rare and esteemed high. Obviously, enormous stones are considerably harder to drop by and a lot pricier.

How are blue diamonds different from blue sapphires?

Blue precious stone’s color range starts from normal blue, exceptionally light blue, light blue, fancy light blue, fancy blue, fancy extraordinary blue, fancy dark blue, and fancy vivid blue. All these get their shading from boron as told earlier. As the percentage of boron goes up, so does the intensity of the blue shading. 

Sapphires can likewise show an assortment of shades, from a pale sky blue to a rich, royal blue. The higher the grouping of titanium in the sapphire, the more immersed the tone will be. While blue is the most conventional and classic variant of sapphire, it is really found in a wide range of hues just like blue diamonds. 

Henceforth, the best way to know whether you are taking home a blue diamond or a blue sapphire, take it to a gemologist or a pearl lab to get it analyzed for you.


1. Are blue diamonds real?

Ans: Yes, blue diamonds are real and rare as they are only found in a couple of places.

2. How can a blue diamond be used?

Ans: It can be used in rings, necklaces, bands, etc.

3. Are blue diamonds expensive?

Ans: Yes, blue diamonds are really expensive with a number of factors governing the same.

Diamond Education

Related Posts