X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

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.

Blue Diamond Weight
Blue Diamond Size
Blue Diamond Clarity
Blue Diamond Price

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black
Blue Blue Diamond
Brown
Golden
Gray
Green
Multicolor
Orange
Pink
Purple
Red
Turquoise
Violet
White
Yellow
Single
Pairs
Lots
Faceted
Cabochons
X
Clear All
  • Actual Product Photos
  • Reliable Quality
  • Full Transparency
  • Large Selection
  • Affordable Prices
  • Fast, Secure Global Shipping
ID: 702949
Weight: 0.05ct
Size: 2.3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 50.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 692909
Weight: 0.07ct
Size: 2.6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 83.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 692762
Weight: 0.06ct
Size: 2.5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 85.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 720062
Weight: 0.05ct
Size: 2 x 2 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 56.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 702948
Weight: 0.03ct
Size: 2.2 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 36.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 692892
Weight: 0.06ct
Size: 2.3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 72.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 718771
Weight: 0.02ct
Size: 2 x 1.8 mm
Clarity: VS
Content: 1 pc
Price: $ 26.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 719049
Weight: 0.07ct
Size: 2.2 x 2 mm
Clarity: VS
Content: 1 pc
Price: $ 94.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 692893
Weight: 0.06ct
Size: 2.4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 72.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 692865
Weight: 0.06ct
Size: 2.4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 72.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 719454
Weight: 0.07ct
Size: 2.3 x 2.2 mm
Clarity: VS
Content: 1 pc
Price: $ 94.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 719985
Weight: 0.07ct
Size: 2.2 x 2 mm
Clarity: VS
Content: 1 pc
Price: $ 94.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 695526
Weight: 0.05ct
Size: 2.4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 50.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 719644
Weight: 0.04ct
Size: 2.1 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 53.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 692848
Weight: 0.04ct
Size: 2 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 48.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 719739
Weight: 0.05ct
Size: 2.4 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 56.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 717354
Weight: 0.04ct
Size: 2.2 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 52.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 719455
Weight: 0.07ct
Size: 2.3 x 2.3 mm
Clarity: VS
Content: 1 pc
Price: $ 94.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 692862
Weight: 0.07ct
Size: 2.3 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 70.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 720071
Weight: 0.08ct
Size: 2.4 x 2.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 107.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 718970
Weight: 0.05ct
Size: 2 x 1.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 67.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 719980
Weight: 0.05ct
Size: 1.9 x 1.9 mm
Clarity: VS
Content: 1 pc
Price: $ 67.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 692756
Weight: 0.07ct
Size: 2.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 100.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 719647
Weight: 0.04ct
Size: 2 x 2 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 53.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 717363
Weight: 0.03ct
Size: 2.2 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 46.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 718964
Weight: 0.02ct
Size: 1.7 x 1.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 22.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 718934
Weight: 0.07ct
Size: 2.6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 94.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 719286
Weight: 0.03ct
Size: 2.1 x 2 mm
Clarity: VS
Content: 1 pc
Price: $ 40.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 703189
Weight: 0.03ct
Size: 2.2 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 718888
Weight: 0.06ct
Size: 2.2 x 2.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 80.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 719295
Weight: 0.06ct
Size: 2.2 x 2.1 mm
Clarity: VS
Content: 1 pc
Price: $ 80.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 720066
Weight: 0.02ct
Size: 1.8 x 1.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 22.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 692853
Weight: 0.05ct
Size: 2.4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 60.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 719737
Weight: 0.08ct
Size: 2.6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 107.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 695605
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 36.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 702981
Weight: 0.05ct
Size: 2.1 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 50.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 703396
Weight: 0.03ct
Size: 2.1 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 36.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 702958
Weight: 0.07ct
Size: 2.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 70.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 718769
Weight: 0.05ct
Size: 2.2 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 67.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 719648
Weight: 0.04ct
Size: 1.9 x 1.8 mm
Clarity: VS
Content: 1 pc
Price: $ 53.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 695031
Weight: 0.05ct
Size: 2.3 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 60.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 717373
Weight: 0.03ct
Size: 1.9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 46.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 719095
Weight: 0.04ct
Size: 2.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 53.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 702723
Weight: 0.02ct
Size: 1.9 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 24.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 719733
Weight: 0.04ct
Size: 2.3 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 53.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 702709
Weight: 0.06ct
Size: 2.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 88.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 717360
Weight: 0.04ct
Size: 2.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 52.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 719048
Weight: 0.07ct
Size: 2.3 x 2.3 mm
Clarity: VS
Content: 1 pc
Price: $ 94.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 719426
Weight: 0.06ct
Size: 2.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 80.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 695036
Weight: 0.04ct
Size: 2.1 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 48.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 702953
Weight: 0.08ct
Size: 2.7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 96.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 692872
Weight: 0.05ct
Size: 2.2 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 60.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 719422
Weight: 0.07ct
Size: 2.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 94.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 703244
Weight: 0.03ct
Size: 2.1 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 692760
Weight: 0.06ct
Size: 2.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 71.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 717368
Weight: 0.06ct
Size: 2.4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 93.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 718766
Weight: 0.05ct
Size: 2 x 2 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 67.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 695539
Weight: 0.04ct
Size: 2 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 48.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 718938
Weight: 0.05ct
Size: 2.1 x 1.9 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 67.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 719734
Weight: 0.06ct
Size: 2.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 80.81
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
Choose Page
1 - 4

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 was looking for a site with every type of gem I could want for setting in luxury blades and assumed I would need to look outside the US, but GemSelect made it easy to get everything I wanted without leaving the house! Wide enough selection that I do not feel the need to look elsewhere and pricing the same.

Posted By Razormane in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have ordered from Genselect before and always had a great experience. My go to source!

Posted By Kycaver in October, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

I love Gem Select! When you order what you see is what you get. As soon as you make payment that particular gem is taken off the photo album. That way the one you select is a one of that kind.

Posted By Desertchick in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 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
Enlarged Gemstone Image