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Loose Blue Diamonds for Sale – Natural and Fancy Blue Diamond Stones, Certified Diamond

Blue Diamond Weight
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ID: 702711
Weight: 0.02ct
Size: 1.9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.44
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ID: 719984
Weight: 0.03ct
Size: 2.1 x 1.7 mm
Clarity: VS
Content: 1 pc
Price: $ 40.40
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ID: 720096
Weight: 0.02ct
Size: 1.8 x 1.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 22.45
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ID: 719052
Weight: 0.05ct
Size: 2.3 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 67.34
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ID: 717373
Weight: 0.03ct
Size: 1.9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 46.80
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ID: 719461
Weight: 0.03ct
Size: 2.2 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 33.67
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ID: 694939
Weight: 0.06ct
Size: 2.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 60.00
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ID: 692756
Weight: 0.07ct
Size: 2.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 100.08
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ID: 695344
Weight: 0.04ct
Size: 2.2 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 40.00
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ID: 719733
Weight: 0.04ct
Size: 2.3 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 53.87
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ID: 718967
Weight: 0.06ct
Size: 2.3 x 2.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 67.34
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ID: 702722
Weight: 0.07ct
Size: 2.6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 102.66
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ID: 702976
Weight: 0.05ct
Size: 2.2 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 60.00
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ID: 692755
Weight: 0.07ct
Size: 2.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 100.08
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ID: 692859
Weight: 0.06ct
Size: 2.4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 72.00
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ID: 692763
Weight: 0.05ct
Size: 2.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 59.57
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ID: 719093
Weight: 0.06ct
Size: 2.4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 80.81
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ID: 692907
Weight: 0.07ct
Size: 2.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 100.08
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ID: 695608
Weight: 0.04ct
Size: 2.1 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 48.00
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ID: 719464
Weight: 0.04ct
Size: 2.4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 53.87
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ID: 718888
Weight: 0.06ct
Size: 2.2 x 2.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 80.81
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ID: 720092
Weight: 0.06ct
Size: 2.2 x 2.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 80.81
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ID: 702954
Weight: 0.07ct
Size: 2.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 84.00
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ID: 695526
Weight: 0.05ct
Size: 2.4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 50.00
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ID: 720068
Weight: 0.07ct
Size: 2.4 x 2.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 94.27
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ID: 702988
Weight: 0.02ct
Size: 1.7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 29.33
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ID: 692879
Weight: 0.05ct
Size: 2.3 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 60.00
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ID: 695038
Weight: 0.04ct
Size: 2.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 48.00
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ID: 717362
Weight: 0.05ct
Size: 2.3 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 78.00
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ID: 692893
Weight: 0.06ct
Size: 2.4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 72.00
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ID: 717367
Weight: 0.05ct
Size: 2.2 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 78.00
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ID: 692872
Weight: 0.05ct
Size: 2.2 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 60.00
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ID: 717354
Weight: 0.04ct
Size: 2.2 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 52.00
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FAQs

What are loose blue diamonds?

Loose blue diamonds are unmounted, natural gemstones known for their stunning blue color and rarity. These gems are often used to create custom jewelry, such as engagement rings, or kept as investment pieces.

Are GIA-certified blue diamonds better?

Yes, GIA-certified blue diamonds are highly recommended as they guarantee the gemstone's authenticity, quality, and details like cut, clarity, and carat weight. Choosing GIA-certified loose blue diamonds ensures you’re purchasing a genuine and valuable stone.

What makes fancy blue diamonds unique?

Fancy blue diamonds are prized for their vivid blue color and are rarer than traditional diamonds. Their unique hues, combined with exceptional clarity and cuts, make them a favorite choice for collectors and jewelry designers.

Can I use loose blue diamonds for engagement rings?

Absolutely! Loose blue diamonds are perfect for custom engagement rings. Their natural beauty and versatility allow you to choose the ideal cut and setting for a unique and meaningful design.

How do I care for my loose blue diamonds?

To maintain the brilliance of your loose blue diamonds, clean them regularly with a soft cloth and mild soap. Avoid exposing them to harsh chemicals and store them separately to prevent scratches on the surface.

Are loose blue diamonds a good investment?

Yes, loose blue diamonds, especially rare or GIA-certified stones, are considered excellent investments due to their rarity and increasing market demand. Their natural beauty and timeless appeal make them valuable assets.

What factors determine the value of a loose blue diamond?

The value of a loose blue diamond depends on its color intensity, clarity, cut quality, and carat weight. Rare fancy blue diamonds or those with vivid blue hues often command higher prices.

Are there different cuts available for loose blue diamonds?

Yes, loose blue diamonds come in various cuts, including round, princess, emerald, and cushion. Each cut enhances the stone's brilliance and highlights its natural blue color.

What is the difference between natural and treated blue diamonds?

Natural blue diamonds derive their color from boron within the stone, while treated diamonds undergo processes like irradiation to achieve a blue hue. Natural blue diamonds, such as those in our collection, are more valuable and sought after.

Where can I buy high-quality loose blue diamonds?

You can find high-quality loose blue diamonds, including rare fancy blue diamonds and GIA-certified options, from trusted gemstone dealers. Look for vendors offering a wide selection of cuts, sizes, and colors to suit your needs.

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Great selection of gems at a reasonable price

Posted By Curt in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to navigate

Posted By GemGod in July, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.

Posted By G.W. or Bakyow in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 2025
Source: Bizrate
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