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#1 Can you think of something breathtakingly beautiful and strong!
#2 Can you think of something rare, precious, intense and extraordinary too!
Yes, diamond is nature’s best miracle which is unbelievably beautiful and one of the strongest materials on earth. Diamonds are rare, precious, enchanting, and the most coveted gemstone.
#3 Now, can you think of something spectacular because of its little imperfections!
Colored diamonds! But how?
The answer lies in the fascinating world of science…
Natural diamond is a mineral and rare, solid form of crystalline carbon. Most of the diamonds gather defects during their growth cycle. Few of these defects or imperfections modify the way light passes through them. And what follows determines the diamond’s apparent color by the observer. So, these small imperfections hiding inside the colored diamonds are the reason which makes them spectacular.
The blue sky meeting the blue sea makes the perfect union in this world.
Just thought of color blue brings a sense of peace and calmness for the mind and body. Imagine how overwhelming it would be to possess a blue diamond. But before that, let’s learn more about the blue diamond.
A blue diamond has a noticeable blue tone with color ranging from light blue to deep blue. The blue diamond is often accompanied by secondary hues such as violet, gray, or green.
The blue color of the blue diamond is caused due to the presence of boron in the diamond’s carbon structure. When few boron molecules substitute for carbon molecules in the diamond’s structure, it produces a blue color. This imperfection or defect changes the way light passes through the diamond crystal and what results for the observer is a blue colored diamond. The more boron that substitutes for carbon, the stronger is the blue color of the diamond.
The Rarity of the Blue Diamond
Natural blue-colored diamonds are extremely rare. Their rare color and high clarity make them exceptionally valuable gems. Undoubtedly and indisputably, they are one of the rarest natural colored diamonds. (In the colored diamond family, blue, red, pink, orange, purple and green are considered to be the rarest natural colored diamonds). It is estimated that blue diamonds account for only 0.1% of the world’s total colored diamonds.
Very few mines produce blue diamonds – the Cullinan mine in South Africa, the Argyle mine in Western Australia, the Golkonda mine in India and Lesteng mine in South Africa.
Since blue diamonds are rare to such an extent, they are coveted by diamond collectors, connoisseurs, and investors.
***Did you know that ‘The Hope Diamond’ is the world’s most famous blue diamond? It weighs 45.52 carats and has a fancy dark grayish blue color. It is kept on display at the National Museum of Natural History in Washington.
Shade of Blue Diamond
The GIA grades for blue diamonds are :
- Faint Blue
- Very Light Blue
- Light Blue
- Fancy Light Blue
- Fancy Blue
- Fancy Intense Blue
- Fancy Deep Blue
- Fancy Vivid Blue
- Fancy Dark (if a secondary color is present)
It is difficult to find a pure natural blue diamond. Most of the fancy colored diamonds come with a secondary hue. Blue diamond comes with secondary hues of gray, violet, and green.
Blue Diamond Pricing
Blue diamond prices can vary greatly depending upon the intensity of its color and hue. The most valuable natural blue diamonds are one with a purely blue color that is uniformly distributed through the gem. In general terms, the more intense the blue color, the more precious it will be and the higher will be its price.
Blue diamonds are extremely rare and their prices can exceed a million dollars per carat.
- Blue diamonds with higher carat weight such as 2 and 3 carats are difficult to find, and therefore are unbelievably expensive.
- A 0.3 carat light blue diamond costs about $15,700 and 0.5 carat light blue diamond cost around $26,280.
- Deep blue and vivid blue diamonds are much more expensive and can cost around $75,000 for a 0.25-carat diamond.
- Smaller diamonds with carat weigh lesser than 0.3 carats are more affordable and can be used in making jewelry by pairing it with white diamonds or other stones.
The prices can even rise higher exorbitantly as the blue diamond increases in color intensity and carat weight.
Secondary Hue: The presence of a secondary hue greatly impacts the blue diamond’s price. The presence of gray in a blue diamond can make it more affordable because of its relative abundance compared to rare blue color, whereas a rare and valued hue such as violet or green will increase its price.
Evaluating the worth of a blue diamond is one of the most challenging tasks as prices change drastically basis shade and secondary hue. Hence, it is important to assess each blue diamond to determine its worth rather than following one formula for all.
4C's of Blue Diamonds
- Color: Prices go up with the color intensity of blue diamonds. Deep blue and vivid blue diamonds are considered to be very expensive.
- Carat: Price per carat is affected in two ways. One by the color – the more intense the color, the higher is the price per carat. Secondly, by weight – the more carats of blue diamond, the higher is the price per carat.
- Clarity: Clarity does not play as much of an important role in fancy colored diamonds as it does in white diamonds. Color and intensity are far more important factors than clarity.
- Cut: For the colored diamonds, it is important to settle for a cut that fully brings out the diamond’s color while balancing the best sparkle at the same time.
Shape for Blue Diamonds
The most crucial and alluring feature of the blue diamond is its fascinating blue color. Fancy shapes tend to balance maximum color saturation with the maximum sparkle, and therefore fancy shapes are preferred for blue diamonds.
Most popular shapes for blue diamonds are radiant and cushion cuts as they let the blue diamond disperse its color in the best possible manner. Some other shapes which can also be considered are pear, emerald and round. The least common shapes are marquise and oval.
Settings for Blue Diamonds
The blue color is also symbolic of loyalty and trust, and therefore blue diamond is the best companion of a perfect and stunning engagement ring.
Appropriate ring settings can create a huge impact by making the blue diamond stand out and shine. Some best setting for blue diamonds are :
- Halo Setting: Blue diamonds can be surrounded by other diamonds to enhance its beauty. Adding side stones can help in adding to the ring’s carat weight.
- Tension Setting: In a tension setting, the tension of the band secures the diamond in place which creates an appearance of the diamond in mid-air. Tension setting can help the blue color of the blue diamond pop up.
- Three-stone Setting: By adding smaller white diamonds on the sides of a blue diamond, its brilliance can be enhanced immensely.
If a Blue Diamond is Beyond Your Budget
Since blue diamonds are extremely expensive and rare, the budget is the biggest hurdle in buying them. If you have your heart and eyes set on a blue diamond and think that it out of the budget, then there are other options which are a great alternative to the blue diamond.
Lab-created Diamonds: Lab-created stones are grown or created inside a laboratory. These lab-grown stones are similar to natural stones in all aspects except the fact that they are grown in a lab.
A lab-created blue diamond would still be expensive but much cheaper than its natural counterpart.
Treated or Enhanced Stones: Enhanced blue diamonds are natural diamonds that have undergone color enhancement treatments. Such methods, usually irradiation, transform the otherwise colorless precious stone into a vibrant shade of blue. These treatments are typically permanent and do not damage the diamond’s chemical structure.
The enhanced blue diamond is relatively affordable and a brilliant alternative to the natural blue diamond.
Blue Sapphires: If you are on a tight budget, then an ideal alternative will be blue sapphire. Blue sapphires are quite durable (rated 9 out of 10 on Mohs scale of hardness) and also come in a variety of shades with impressive sparkle.
How to Purchase Blue Diamonds?
You can’t bring down stars and moon but certainly can own a blue diamond.
It is highly recommended to buy diamonds from reputed sellers who provide GIA certificates with diamonds. One of the most trusted and reputed diamond sellers is James Allen.
James Allen has revolutionized the way people buy engagement rings and diamond jewelry. They are considered to be one of the premier diamond engagement ring retailers in the world. With 18+ years of experience, they are the leader in online diamond sales. You can be sure to buy the best diamond at the best price at James Allen.
Click here to visit James Allen and become a proud owner of this never-fading star!