Natural Blue Diamonds | Investment & Shopping Tips

Natural Blue Diamonds | Investment & Shopping Tips

Natural blue diamonds are one of our favorite diamond colors. They have a very cool look that is unique compared to the all the other different color diamonds. Furthermore, they are the 2nd rarest diamond color behind red diamonds.

This article covers the following information about blue diamonds:

  • Formation & Chemistry
  • Grading & Price
  • Shopping Tips
  • Fun Facts

Formation & Chemistry Of Blue Diamonds

A blue diamond is no different from a traditional white diamond. Except it is blue of course. Clear diamonds and a blue diamonds have the same atomic carbon structure referred to as the crystal lattice structure. The crystal lattice structure is the pattern the carbon atoms form in a diamond.

Blue diamonds get their color from the elements boron & nitrogen. The boron & nitrogen attach themselves to the crystal lattice structure during the diamond’s formation. As a result, when light shines through the diamond it displays a beautiful blue hue.

Blue Diamond Grading & Pricing

Usually, the stronger the blue hue intensity a blue diamond possess, the more rare and valuable it is. Moreover, there are about 9 grading categories of blue diamond color intensities:

  • Faint-
  • Very Light-
  • Light- Price: ($9,350 – $18,725) Weight: (0.19 – 0.33 carats)
  • Fancy Light- Price:($4,425 – $226,225) Weight: (0.17 – 3.94 carats)
  • Fancy- Price: ($7,100 – $487,300) Weight: (0.07 – 2.03 carats)
  • Fancy Intense- Price: ($9,450 – $297,600) Weight: (0.08 – 3.76 carats)
  • Fancy Vivid- Price: ($27,600 – $630,100) Weight: (0.11 – 0.70 carats)
  • Fancy Deep- Price: ($30,700 – $246,500) Weight: (0.12 – 0.44 carats)
  • Fancy Dark- Price: ($8,900) Weight: (0.08 carats)

The pricing of the different blue diamond intensities above are from Leibish. Except for Faint & very light blue diamonds. But you can find lighter blue diamonds at James Allen.

Blue Diamond Shopping Tips

The 4 C’s Buyer’s Guide

When shopping for blue diamonds it is very important you have a good understanding of the 4 C’s Buyer’s Guide. The 4 C’s are:

  • CutCut is one of the most influential C’s. When you get the best cut diamond it shines with a sparkle and fire that really catches the eye.
  • Carat– Carat it the weight of a given diamond. 1 carat equals 0.5 grams.
  • Clarity– Clarity grading is the measurement of black carbon inclusions or specs in a given diamond.
  • Color– Color grading for white diamonds is different than color grading for color diamonds. See the “blue diamond grading info above”.
  • Shape– Shape is not one of the 4 C’s but it is an important factor in the appearance of any diamond.

Shopping For Blue Diamonds

When it comes to choosing blue diamonds you must first decide what you are looking for because it directs your focus. Are you looking for a valuable investment or collector’s item? Or, are you looking to create a custom engagement ring with for a particular look or style only a blue diamond can offer?

Blue Diamonds As A Collector’s Item or Investment

Investing in blue diamonds as a way to diversify your portfolio or enhance your diamond collection. They are a great choice because blue diamonds are the 2nd most rare diamonds behind red diamonds. There are investment grade diamonds available for sale and is worth browsing.

But if you want to purchase a blue diamond that is not considered an “investment grade” diamond. Make sure the diamond you chose has a positive and unique characteristic about it. Furthermore, your investment diamond should have a certain level of beauty to ensure it’s value remains intact.

Color diamonds are better investment options compared to colorless, white/clear diamonds. This is because there are much more colorless diamonds than color diamonds. In fact for every 10,000 carats only 1 of those carats is a color diamond. As a result, colored diamonds hold their intrinsic value much better than white diamonds.

Blue Diamonds Can Achieve A Particular Look Or Style 

As mentioned in the beginning of the article, blue diamonds are one of our favorite color diamonds. This is because of the style they bring to the table. With all of it’s rarity aside we like the cool clean look blue has. Furthermore, whether the diamond is faint blue to fancy dark blue, we believe they are a great buy. This is because blue is a very common soothing color.

When it comes to creating custom engagement rings, the lighter half of blue color intensity scale gives a clear water look that almost makes you thirsty. Furthermore, many people’s childhood favorite color was blue and still is to this day. Consequently, the darker half of the blue diamond color intensity spectrum may be attractive to a lot of people.

Beauty is really in the eye of the beholder. But some good aesthetic guidance never hurt anyone. Be creative and let this only be guide to your style choice. 

Leibish & James Allen Are Two Of The Best Places To Purchase Natural Blue Diamonds.

Blue Diamond & Color Fun Facts

Blue diamonds are associated with royalty and wisdom. As a result, blue diamonds attract the attention of many prominent people around the world. There are many meanings behind the color blue as well. Below is a list of fun facts about blue diamonds and the color blue.

Blue Diamonds

  • 2nd rarest color diamond.
  • The element boron & nitrogen causes the blue hue.
  • Majority come from the Cullinan Mine in South Africa.
  • Also come from argyle mines in Australia.
  • 29.6 carat diamond rough sold for $25 Million.
  • 122.52 carats is the biggest one yet.
  • Famous model Jane Seymour has a 2.08-carat fancy vivid blue diamond ring.
  • Famous “Hope Diamond” was found in India and weighs 45.52 carats.

The Color Blue

  • In The Bible the color blue represents: Heaven, the Holy spirit and Authority.
  • Corresponds to the throat chakra.
  • In India:”The deity who has the qualities of bravery, manliness, determination, the ability to deal
    with difficult situations, of stable mind and depth of character is represented as blue colored.” Source
  • “Represents both the sky and the sea, and is associated with open spaces, freedom, intuition, imagination, expansiveness, inspiration, and sensitivity.” Source
  • “Represents meanings of depth, trust, loyalty, sincerity, wisdom, confidence, stability, faith, heaven, and intelligence.” Source 


Blue diamonds are special for many reasons. They are great collectible items & investments. Furthermore, they add excitement to any custom engagement ring shopping en-devour. When it  comes to shopping, the two best places to buy blue diamonds is Leibish and James Allen.

Browse this site to learn more about 5 carat diamond ring shopping and learn about all of the different color diamonds.

Ronald Blossom

Hi I am Ronald Blossom. I have been studying diamonds for years now. Let me teach you how to shop for high end diamonds like a pro.