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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0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 23.90

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0.07ct Black Diamond, Round, Opaque

2.6 mm (calibrated)

$ 19.97

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0.10ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 79.68

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0.12ct Black Diamond, Round, Opaque

3 mm (calibrated)

$ 41.08

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0.05ct Black Diamond, Round, Opaque

2.2 mm (calibrated)

$ 16.28

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0.29ctw Black Diamond, Square, Opaque

2.5 x 2.4 mm

$ 144.42

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0.04ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 13.70

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0.09ctw Black Diamond, Round, Opaque

2.2 mm (calibrated)

$ 40.79

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0.08ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 63.74

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0.09ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 26.15

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0.08ct Black Diamond, Round, Opaque

2.7 mm (calibrated)

$ 27.38

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0.15ctw Black Diamond, Square, Opaque

2 x 2 mm (calibrated)

$ 74.70

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0.07ct Black Diamond, Round, Opaque

2.6 mm (calibrated)

$ 23.96

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0.03ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 10.27

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0.21ct Black Diamond, Round, Opaque

3.5 mm (calibrated)

$ 99.90

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0.09ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 71.71

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0.03ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 10.27

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0.12ct Black Diamond, Square, Opaque

2.7 x 2.7 mm

$ 59.76

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0.19ct Black Diamond, Square, Opaque

2.8 x 2.7 mm

$ 94.62

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0.03ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 10.27

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0.04ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 31.87

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0.13ct Black Diamond, Square, Opaque

2.6 x 2.5 mm

$ 51.88

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0.08ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 63.74

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0.12ct Black Diamond, Square, Opaque

2.7 x 2.6 mm

$ 49.80

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GemSelect Certified Store Reviews

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Overall Rating -> 10

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

Posted By Zorah in February, 2026

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Overall Rating -> 10

I found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.

Posted By Kelly in May, 2026

Source: Bizrate

Overall Rating -> 9

They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!

Posted By JC in March, 2026

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Overall Rating -> 10

It was great

Posted By Nik in June, 2026

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Overall Rating -> 10

I could see the actual gem I was buying

Posted By Bugs in December, 2025

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Overall Rating -> 9

Very good and simple exchange

Posted By Waylon in March, 2026

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