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

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ID: 718769
Weight: 0.05ct
Size: 2.2 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 67.34
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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: 692860
Weight: 0.05ct
Size: 2.3 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 50.00
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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: 692872
Weight: 0.05ct
Size: 2.2 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 60.00
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ID: 703040
Weight: 0.02ct
Size: 1.9 mm
Clarity: VS
Content: 1 pc
Price: $ 29.33
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ID: 703288
Weight: 0.03ct
Size: 2.3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.00
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ID: 719426
Weight: 0.06ct
Size: 2.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 80.81
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ID: 719289
Weight: 0.07ct
Size: 2.7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 94.27
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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: 692892
Weight: 0.06ct
Size: 2.3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 72.00
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ID: 719455
Weight: 0.07ct
Size: 2.3 x 2.3 mm
Clarity: VS
Content: 1 pc
Price: $ 94.27
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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: 719459
Weight: 0.06ct
Size: 2.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 80.81
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ID: 720064
Weight: 0.03ct
Size: 2 x 2 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.67
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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: 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: 718887
Weight: 0.05ct
Size: 1.9 x 1.9 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 67.34
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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: 719059
Weight: 0.07ct
Size: 2.6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 94.27
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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: 703236
Weight: 0.03ct
Size: 2.2 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.00
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ID: 719738
Weight: 0.06ct
Size: 2.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 80.81
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ID: 719422
Weight: 0.07ct
Size: 2.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 94.27
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ID: 719649
Weight: 0.07ct
Size: 2.3 x 2.2 mm
Clarity: VS
Content: 1 pc
Price: $ 94.27
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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: 718881
Weight: 0.05ct
Size: 2.1 x 2.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 67.34
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ID: 717357
Weight: 0.05ct
Size: 2.3 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 78.00
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ID: 718889
Weight: 0.06ct
Size: 2.3 x 2.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 80.81
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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: 692903
Weight: 0.05ct
Size: 2.3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 60.00
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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: 692845
Weight: 0.06ct
Size: 2.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 60.00
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ID: 692867
Weight: 0.04ct
Size: 2.1 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 48.00
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ID: 718928
Weight: 0.06ct
Size: 2.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 80.81
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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: 719985
Weight: 0.07ct
Size: 2.2 x 2 mm
Clarity: VS
Content: 1 pc
Price: $ 94.27
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ID: 702985
Weight: 0.06ct
Size: 2.4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 72.00
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ID: 719462
Weight: 0.05ct
Size: 2.3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 67.34
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ID: 702975
Weight: 0.05ct
Size: 2.1 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 60.00
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ID: 703244
Weight: 0.03ct
Size: 2.1 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.00
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ID: 718970
Weight: 0.05ct
Size: 2 x 1.8 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: 720067
Weight: 0.04ct
Size: 2 x 2 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 53.87
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ID: 692757
Weight: 0.07ct
Size: 2.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 83.40
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ID: 719085
Weight: 0.07ct
Size: 2.6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 94.27
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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: 692898
Weight: 0.05ct
Size: 2.3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 50.00
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ID: 719454
Weight: 0.07ct
Size: 2.3 x 2.2 mm
Clarity: VS
Content: 1 pc
Price: $ 94.27
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ID: 703287
Weight: 0.02ct
Size: 1.7 mm
Clarity: VS
Content: 1 pc
Price: $ 29.33
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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: 719294
Weight: 0.06ct
Size: 2.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 80.81
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ID: 719986
Weight: 0.06ct
Size: 2.1 x 2.1 mm
Clarity: VS
Content: 1 pc
Price: $ 80.81
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ID: 702956
Weight: 0.05ct
Size: 2.1 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 60.00
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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: 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: 719424
Weight: 0.06ct
Size: 2.4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 80.81
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ID: 719049
Weight: 0.07ct
Size: 2.2 x 2 mm
Clarity: VS
Content: 1 pc
Price: $ 94.27
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ID: 717356
Weight: 0.07ct
Size: 2.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 109.20
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ID: 717360
Weight: 0.04ct
Size: 2.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 52.00
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Why Buy Blue Diamond from GemSelect?

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

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Posted By Debsarabs in February, 2026
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Overall Rating -> 10 star ratings

No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!

Posted By Orphanboy in December, 2025
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Overall Rating -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
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Overall Rating -> 9 star ratings

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