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Shop Loose Diamonds - Certified Natural Gemstones & Conflict-Free

Diamonds for Sale - Certified, Natural, GIA and Conflict-Free Options

Explore our exquisite collection of loose diamonds, featuring a wide range of GIA certified and natural loose diamonds. Whether you’re searching for a classic round cut or unique shapes like cushion and princess, our curated selection caters to all preferences. We offer detailed color grading, clarity assessment, and transparent pricing, making it easier to find the perfect diamond for your needs. Discover conflict-free loose diamonds at wholesale prices, and benefit from our expert guidance with our loose diamond buying guide. For more in-depth information on diamond characteristics, cuts, and value, visit our comprehensive diamond information page. Start your journey to find the ideal stone for your custom jewelry today.

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0.19ctw Natural G Diamond, Round, VVS-VS, Photo A

0.19ctw Natural G Diamond, Round, VVS-VS

Diamond

0.19ct total2 pcs
$ 341.03
2.9 mm (calibrated)
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0.08ct Natural Black Diamond, Round, Opaque, Photo A

0.08ct Natural Black Diamond, Round, Opaque

Diamond

0.08ct1 pc
$ 32.99
2.6 mm (calibrated)
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0.10ctw Natural Black Diamond, Round, Opaque, Photo A

0.10ctw Natural Black Diamond, Round, Opaque

Diamond

0.10ct total2 pcs
$ 96.00
2.1 mm (calibrated)
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0.04ct Natural Blue Diamond, Round, VS, Photo A

0.04ct Natural Blue Diamond, Round, VS

Diamond

0.04ct1 pc
$ 53.87
2 mm (calibrated)
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0.04ct Natural Black Diamond, Round, Opaque, Photo A

0.04ct Natural Black Diamond, Round, Opaque

Diamond

0.04ct1 pc
$ 16.50
2 mm (calibrated)
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0.03ct Natural Blue Diamond, Round, VS-SI, Photo A

0.03ct Natural Blue Diamond, Round, VS-SI

Diamond

0.03ct1 pc
$ 36.00
2 mm (calibrated)
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0.08ct Natural I Diamond, Round, VS-SI, Photo A
Diamond Product Video (723727)

0.08ct Natural I Diamond, Round, VS-SI

Diamond

0.08ct1 pc
$ 175.12
2.6 mm (calibrated)
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0.06ct Natural Blue Diamond, Round, SI, Photo A

0.06ct Natural Blue Diamond, Round, SI

Diamond

0.06ct1 pc
$ 80.81
2.5 mm (calibrated)
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0.04ct Natural Black Diamond, Round, Opaque, Photo A

0.04ct Natural Black Diamond, Round, Opaque

Diamond

0.04ct1 pc
$ 38.40
1.9 mm (calibrated)
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0.12ctw Natural H Diamond, Marquise, VVS, Photo A
Diamond Product Video (740699)

0.12ctw Natural H Diamond, Marquise, VVS

Diamond

0.12ct total2 pcs
$ 502.50
4 x 2 mm (calibrated)
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0.08ctw Natural Black Diamond, Round, Opaque, Photo A

0.08ctw Natural Black Diamond, Round, Opaque

Diamond

0.08ct total2 pcs
$ 76.80
2 mm (calibrated)
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0.15ctw Natural H Diamond, Round, VVS-VS, Photo A

0.15ctw Natural H Diamond, Round, VVS-VS

Diamond

0.15ct total2 pcs
$ 323.09
2.6 mm (calibrated)
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0.06ct Natural Blue Diamond, Round, VS-SI, Photo A

0.06ct Natural Blue Diamond, Round, VS-SI

Diamond

0.06ct1 pc
$ 80.81
2.5 mm (calibrated)
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0.38ct Natural Blue Diamond, Round, SI, Photo A
Diamond Product Video (719407)

0.38ct Natural Blue Diamond, Round, SI

Diamond

0.38ct1 pc
$ 511.76
4.5 mm (calibrated)
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0.05ct Natural Blue Diamond, Round, SI, Photo A

0.05ct Natural Blue Diamond, Round, SI

Diamond

0.05ct1 pc
$ 78.00
2.3 mm (calibrated)
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0.07ct Natural Blue Diamond, Square, VS, Photo A

0.07ct Natural Blue Diamond, Square, VS

Diamond

0.07ct1 pc
$ 94.27
2.3 x 2.2 mm
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0.05ct Natural Blue Diamond, Square, VS, Photo A

0.05ct Natural Blue Diamond, Square, VS

Diamond

0.05ct1 pc
$ 67.34
2.1 x 2.1 mm
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0.03ct Natural Blue Diamond, Round, VVS-VS, Photo A

0.03ct Natural Blue Diamond, Round, VVS-VS

Diamond

0.03ct1 pc
$ 46.80
2 mm (calibrated)
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0.03ct Natural Green Diamond, Round, VS-SI, Photo A

0.03ct Natural Green Diamond, Round, VS-SI

Diamond

0.03ct1 pc
$ 36.00
2 mm (calibrated)
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0.05ct Natural Black Diamond, Round, Opaque, Photo A

0.05ct Natural Black Diamond, Round, Opaque

Diamond

0.05ct1 pc
$ 19.62
2.3 mm (calibrated)
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0.24ctw Natural Black Diamond, Round, Opaque, Photo A

0.24ctw Natural Black Diamond, Round, Opaque

Diamond

0.24ct total2 pcs
$ 137.56
3 mm (calibrated)
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0.29ctw Natural Black Diamond, Round, Opaque, Photo A
Diamond Product Video (682714)

0.29ctw Natural Black Diamond, Round, Opaque

Diamond

0.29ct total2 pcs
$ 138.51
3 mm (calibrated)
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0.03ct Natural Green Diamond, Round, VS, Photo A

0.03ct Natural Green Diamond, Round, VS

Diamond

0.03ct1 pc
$ 40.40
2.2 mm (calibrated)
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0.16ct Natural Black Diamond, Square, Opaque, Photo A

0.16ct Natural Black Diamond, Square, Opaque

Diamond

0.16ct1 pc
$ 96.00
2.7 x 2.5 mm
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0.16ct Natural R Diamond, Round, VS, Photo A

0.16ct Natural R Diamond, Round, VS

Diamond

0.16ct1 pc
$ 323.65
3.5 mm (calibrated)
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0.03ct Natural Blue Diamond, Round, SI, Photo A

0.03ct Natural Blue Diamond, Round, SI

Diamond

0.03ct1 pc
$ 44.00
2 mm (calibrated)
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0.18ctw Natural I Diamond, Round, VVS-VS, Photo A
Diamond Product Video (565145)

0.18ctw Natural I Diamond, Round, VVS-VS

Diamond

0.18ct total2 pcs
$ 394.02
3 mm (calibrated)
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0.21ctw Natural L Diamond, Round, VVS-VS, Photo A
Diamond Product Video (567475)

0.21ctw Natural L Diamond, Round, VVS-VS

Diamond

0.21ct total2 pcs
$ 452.32
3 mm (calibrated)
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0.02ct Natural Black Diamond, Round, Opaque, Photo A

0.02ct Natural Black Diamond, Round, Opaque

Diamond

0.02ct1 pc
$ 16.00
2 mm (calibrated)
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0.03ct Natural Green Diamond, Round, SI, Photo A

0.03ct Natural Green Diamond, Round, SI

Diamond

0.03ct1 pc
$ 44.00
2.2 mm (calibrated)
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0.06ct Natural D Diamond, Marquise, VVS, Photo A
Diamond Product Video (740687)

0.06ct Natural D Diamond, Marquise, VVS

Diamond

0.06ct1 pc
$ 251.25
4 x 1.9 mm
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0.03ct Natural Blue Diamond, Round, VS, Photo A

0.03ct Natural Blue Diamond, Round, VS

Diamond

0.03ct1 pc
$ 40.40
2.3 mm (calibrated)
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Why Buy Diamond from GemSelect?

FAQs

What are loose diamonds, and why should I consider buying them?

Loose diamonds are individual diamond stones that are not yet set in jewelry. They provide greater flexibility, allowing buyers to choose their preferred setting, style, and design. Purchasing a loose diamond also gives you the opportunity to inspect its quality based on factors like clarity, color, and carat weight before it is mounted.

Where can I find certified loose diamonds for sale?

You can find certified loose diamonds at reputable online stores and authorized loose diamond dealers. Make sure to look for GIA loose diamonds, as GIA certification is a trusted standard for assessing a diamond's quality, including its cut, color grading, and clarity.

How do I determine the best loose diamond shapes and cuts?

Choosing the right shape and cut is important for maximizing a diamond's brilliance. Popular loose diamond shapes include round, princess, cushion, and oval. Each shape has its unique appeal, while the cut impacts the stone’s sparkle. A good loose diamond buying guide can help you understand the various options available.

Are natural loose diamonds better than lab-grown options?

Natural loose diamonds are formed over millions of years, while lab-grown diamonds are created in controlled environments. Both can be of high quality, but natural diamonds are often valued more for their rarity. When purchasing, ensure the stone is certified for authenticity, especially if you want a conflict-free loose diamond.

What should I know about loose diamond prices and wholesale options?

The price of a loose diamond depends on its carat weight, clarity, color grading, and cut. If you’re looking to save, consider loose diamond wholesale options, where you can find stones at lower prices. Wholesale purchases often provide better value, especially for bulk orders or custom jewelry projects.

How can I ensure I’m buying a high-quality loose diamond online?

To ensure you’re buying a high-quality stone, choose a reputable online loose diamond store that offers GIA certified loose diamonds. Review the diamond’s specifications, including its clarity, cut, and color grading, and ask for detailed certification documents.

GemSelect Certified Store Reviews

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

Overall Rating -> 9 star ratings

Fast and reliable service.

Posted By Zæck in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was good. There was a large selection at prices I could afford.

Posted By Zorah in February, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

I could see the actual gem I was buying

Posted By Bugs in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My experience has always been fantastic. Today I saved 6 gems to email a customer looking for a particular color blend to fit into an east west setting, so her options were limited, but we found one she wanted, deleted all the others in the cart and order the gem she selected. It was helpful to be able to put them in the cart so I could save them until she selected the one she wanted without having to research all of them again.

Posted By RJ in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

The stones are very nice.

Posted By Mvk in August, 2025
Source: Bizrate
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