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Beautifully rare, brilliant and colorful blue diamonds are stunning additions to virtually any jewelry setting. One of the most famous diamonds, The Hope Diamond, features blue shades that make it truly memorable. These diamonds used to be only natural phenomena, but there are now lab-grown blue diamonds available as well. Natural blue diamonds are far rarer than lab-grown diamonds of the same shades. 

Natural blue diamonds are the result of unique processes that occurred deep underground when these gemstones were forming. The presence of boron gave these diamonds their unique color, which ranges from fancy light blue to fancy dark blue. 

You can choose a rare and enchanting blue diamond on its own or have your pick set in our engagement rings, earrings or custom diamond necklaces. Browse by carat weight, color intensity, price or blue diamond shape. Round, oval, radiant, cushion and additional shapes are available for our loose diamonds. 

Fancy color blue diamonds are stunningly unique and beautiful. They are often set as the feature stone in a piece of jewelry, such as in a solitaire setting. Accompanying gemstones are generally softer colors to let the blue diamond shine. These diamonds are most often set in high karat gold or solid platinum jewelry. 

With striking colors and signature sparkle, blue diamonds are always in style.

FAQs about Blue Diamonds

Are blue diamonds rare?

Blue diamonds are some of the rarest of all fancy colored diamonds. Stones with a deeper color and higher carats are even rarer. We offer a wide range of these rare diamonds, from lighter to dark blue diamonds.

Where are blue diamonds found?

Most blue diamonds are currently found in South Africa, but they have also been unearthed in India and Australia. As with all our diamonds, you can rest assured that all natural blue diamonds adhere to The Kimberley Process.  

Are blue diamonds expensive?

Due to their rarity, blue diamonds are more expensive than some other diamonds. The price varies depending on the intensity of the color and diamond carat weight

Are blue diamonds natural or manmade?

Mined blue diamonds occur naturally through a process of crystallization deep in the earth, where boron gives it its blue color. While lab-grown diamonds can come in a variety of colors, many of the blue diamonds available are naturally created and thus incredibly rare. Typically, most blue diamonds for sale are natural gemstones, though some lab-grown blue diamonds do exist. 

How much are blue diamonds worth?

The rarity of blue diamonds makes these gems worth more than other colors. Natural blue diamond jewelry will be valued higher than lab-grown diamonds or diamonds that do not have fancy colors. The exact value of a single blue diamond will depend on its cut, color intensity, carat, clarity, and other qualities. The more intense a blue diamond’s hue, or the rarer its shades, the higher its value may be. 

What shapes do blue diamonds come in?

We offer loose blue diamonds for sale in a variety of shapes, cuts and sizes. Some of our most popular shapes include round, marquise, radiant, and cushion.

What are the 4Cs of blue diamonds?

Even though they are incredibly rare, natural blue diamonds are still graded by the 4Cs. The 4Cs of diamonds are color, cut, clarity, carat, and color. For plain white diamonds, color refers to how colorless they are. For fancy blue diamonds, color assesses the intensity of the blue hues in the diamond. 
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