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.

Shop Loose Diamonds - Certified Natural Gemstones & Conflict-Free

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0.02ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 15.94

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0.15ctw White Diamond, Round, VVS-VS

2.7 mm (calibrated)

$ 268.16

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0.08ct Black Diamond, Round, Opaque

2.6 mm (calibrated)

$ 27.38

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0.03ct White Diamond, Round, VVS

2 mm (calibrated)

$ 68.48

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0.42ct Black Diamond, Square, Opaque

3.8 x 3.7 mm

$ 209.16

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1.06ct Black Diamond, Square, Opaque

5.4 x 5.2 mm

$ 603.86

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0.06ct White Diamond, Marquise, VVS

4 x 2 mm (calibrated)

$ 208.54

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0.12ct Black Diamond, Square, Opaque

2.7 x 2.6 mm

$ 49.80

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0.25ct Yellow Diamond, Round, VS

4 mm (calibrated)

$ 456.41

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0.10ct Black Diamond, Round, Opaque

3 mm (calibrated)

$ 34.23

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0.02ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 15.94

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0.07ct Black Diamond, Round, Opaque

2.6 mm (calibrated)

$ 23.96

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0.04ct Green Diamond, Round, VS-SI

2 mm (calibrated)

$ 39.84

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0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 10.27

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0.02ct Blue Diamond, Round, SI

1.9 mm (calibrated)

$ 20.29

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0.18ctw Black Diamond, Square, Opaque

2.2 x 2.2 mm

$ 89.64

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0.20ct Black Diamond, Square, Opaque

2.8 x 2.8 mm

$ 99.60

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0.07ct White Diamond, Marquise, VVS

4.1 x 2.2 mm

$ 243.29

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1.07ct Black Diamond, Square, Opaque

5 x 5 mm (calibrated)

$ 507.96

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0.03ct Green Diamond, Round, VVS-VS

1.8 mm

$ 29.88

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0.12ct Black Diamond, Round, Opaque

3 mm (calibrated)

$ 41.08

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0.03ct White Diamond, Round, VS-SI

2 mm (calibrated)

$ 36.34

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0.06ct Blue Diamond, Round, VS-SI

2.4 mm (calibrated)

$ 67.07

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0.04ct Green Diamond, Round, VS-SI

2.1 mm (calibrated)

$ 39.84

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Why Buy Diamond from GemSelect?

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GemSelect Certified Store Reviews

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

Overall Rating -> 10

easy site to navigate

Posted By Curt's Cabochons in June, 2025

Source: Bizrate

Overall Rating -> 10

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

Easy and good price

Posted By Bry_guy in March, 2026

Source: Bizrate

Overall Rating -> 10

It was easy to navigate

Posted By GemGod in July, 2025

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Overall Rating -> 8

The website was easy to use and there were a lot of good options, I was satisfied.

Posted By Brielly in January, 2026

Source: Bizrate

Overall Rating -> 10

Great site for finding specific stones and sizes for individual pieces of jewelry

Posted By Designer in December, 2025

Source: Bizrate

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