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

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

Explore our loose blue diamonds, featuring natural blue diamonds, fancy blue diamonds, and GIA-certified blue diamonds. Perfect for creating unique jewelry or adding to your collection, these rare blue diamonds are available in a range of cuts, clarity, and sizes. Whether you're seeking vivid blue diamonds for an engagement ring or a loose fancy diamond for a bespoke design, you'll find unmatched quality and beauty here.

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ID: 702949
Weight: 0.05ct
Size: 2.3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 50.00
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ID: 692909
Weight: 0.07ct
Size: 2.6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 83.40
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ID: 692762
Weight: 0.06ct
Size: 2.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 85.79
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ID: 720062
Weight: 0.05ct
Size: 2 x 2 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 56.12
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ID: 692760
Weight: 0.06ct
Size: 2.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 71.49
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ID: 702723
Weight: 0.02ct
Size: 1.9 mm (calibrated)
Clarity: SI
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: 718886
Weight: 0.07ct
Size: 2.3 x 2.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 78.56
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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: 719734
Weight: 0.06ct
Size: 2.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 80.81
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ID: 702796
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.00
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ID: 720095
Weight: 0.03ct
Size: 2.3 x 1.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.67
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ID: 692882
Weight: 0.06ct
Size: 2.4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 60.00
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ID: 720061
Weight: 0.04ct
Size: 2.4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 53.87
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ID: 692862
Weight: 0.07ct
Size: 2.3 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 70.00
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ID: 718969
Weight: 0.08ct
Size: 2.5 x 2.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 89.78
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ID: 695040
Weight: 0.05ct
Size: 2.3 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 60.00
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ID: 719407
Weight: 0.38ct
Size: 4.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 511.76
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ID: 692883
Weight: 0.05ct
Size: 2.2 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 60.00
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ID: 702986
Weight: 0.06ct
Size: 2.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 72.00
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ID: 718885
Weight: 0.06ct
Size: 2.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 80.81
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ID: 702980
Weight: 0.06ct
Size: 2.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 72.00
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ID: 719296
Weight: 0.05ct
Size: 2.4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 67.34
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ID: 717361
Weight: 0.06ct
Size: 2.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 93.60
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ID: 702948
Weight: 0.03ct
Size: 2.2 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 36.00
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ID: 702705
Weight: 0.12ct
Size: 3 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 146.66
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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: 702715
Weight: 0.02ct
Size: 2.2 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.33
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ID: 718938
Weight: 0.05ct
Size: 2.1 x 1.9 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 67.34
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ID: 719420
Weight: 0.07ct
Size: 2.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 94.27
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ID: 692878
Weight: 0.04ct
Size: 2 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 48.00
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ID: 718932
Weight: 0.04ct
Size: 2.3 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 44.89
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ID: 719051
Weight: 0.05ct
Size: 2.1 x 2.1 mm
Clarity: VS
Content: 1 pc
Price: $ 67.34
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ID: 719457
Weight: 0.09ct
Size: 2.6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 121.21
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ID: 719729
Weight: 0.08ct
Size: 2.3 x 2.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 107.74
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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: 692846
Weight: 0.05ct
Size: 2.3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 60.00
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ID: 719985
Weight: 0.07ct
Size: 2.2 x 2 mm
Clarity: VS
Content: 1 pc
Price: $ 94.27
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ID: 719053
Weight: 0.06ct
Size: 2.4 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 80.81
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ID: 719286
Weight: 0.03ct
Size: 2.1 x 2 mm
Clarity: VS
Content: 1 pc
Price: $ 40.40
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ID: 703292
Weight: 0.05ct
Size: 2.3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 73.33
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ID: 719979
Weight: 0.05ct
Size: 2.4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 56.12
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ID: 719731
Weight: 0.09ct
Size: 2.5 x 2.4 mm
Clarity: SI
Content: 1 pc
Price: $ 121.21
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ID: 703187
Weight: 0.04ct
Size: 2.1 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 58.67
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ID: 692861
Weight: 0.05ct
Size: 2.3 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 60.00
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ID: 718934
Weight: 0.07ct
Size: 2.6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 94.27
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ID: 692848
Weight: 0.04ct
Size: 2 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 48.00
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ID: 719086
Weight: 0.04ct
Size: 2.2 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 53.87
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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: 718765
Weight: 0.03ct
Size: 2.3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 40.40
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ID: 702981
Weight: 0.05ct
Size: 2.1 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 50.00
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ID: 719048
Weight: 0.07ct
Size: 2.3 x 2.3 mm
Clarity: VS
Content: 1 pc
Price: $ 94.27
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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: 692763
Weight: 0.05ct
Size: 2.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 59.57
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ID: 692902
Weight: 0.06ct
Size: 2.4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 72.00
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ID: 720066
Weight: 0.02ct
Size: 1.8 x 1.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 22.45
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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: 717350
Weight: 0.07ct
Size: 2.4 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 109.20
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ID: 695036
Weight: 0.04ct
Size: 2.1 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 48.00
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ID: 702989
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 44.00
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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

I can pick and choose from large selection and find just what I need for .y projects, currently my cane.

Posted By Darkstar731 in July, 2025
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Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

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Very large selection from affordable to high end I will be coming back to shop again!

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Very good Hoping you will increase your inventory especially in the 6mm Thanks

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love these guys been ordering since 2000 maybe

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Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

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Overall Rating -> 10 star ratings

I've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.

Posted By Maggie in August, 2025
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Easy picking, fast checkout, secure shipping. Cana't ask for anything more than efficiency and a good price.

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Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
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