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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0.09ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 26.15

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0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 23.90

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0.05ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 17.11

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0.10ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 79.68

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0.05ct Black Diamond, Round, Opaque

2.3 mm (calibrated)

$ 16.28

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0.09ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 71.71

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0.09ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 26.15

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0.06ct Black Diamond, Round, Opaque

2.3 mm (calibrated)

$ 20.53

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0.10ctw Black Diamond, Square, Opaque

2 x 2 mm (calibrated)

$ 49.80

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0.20ct Black Diamond, Square, Opaque

2.8 x 2.8 mm

$ 99.60

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0.09ctw Black Diamond, Square, Opaque

1.9 x 1.9 mm

$ 44.82

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0.32ct Black Diamond, Square, Opaque

3.3 x 3.2 mm

$ 159.36

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0.34ctw Black Diamond, Square, Opaque

2.7 x 2.5 mm

$ 169.32

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0.08ctw Black Diamond, Round, Opaque

1.9 mm (calibrated)

$ 23.25

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0.05ct Black Diamond, Round, Opaque

2.3 mm (calibrated)

$ 17.11

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0.03ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 10.27

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0.25ctw Black Diamond, Round, Opaque

3 mm (calibrated)

$ 118.93

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0.69ct Black Diamond, Square, Opaque

4.5 x 4.3 mm

$ 327.56

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0.18ct Black Diamond, Square, Opaque

2.9 x 2.7 mm

$ 89.64

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0.08ctw Black Diamond, Round, Opaque

2 mm (calibrated)

$ 63.74

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0.05ct Black Diamond, Round, Opaque

2.2 mm (calibrated)

$ 14.53

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0.07ct Black Diamond, Square, Opaque

2 x 1.9 mm

$ 34.86

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0.05ct Black Diamond, Round, Opaque

2.2 mm (calibrated)

$ 17.11

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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 -> 9

Plan on purchasing on an ongoing basis. So far.....so good....

Posted By Jim in January, 2026

Source: Bizrate

Overall Rating -> 10

All good

Posted By DouscheGift in August, 2025

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Overall Rating -> 9

Easy to use. Many options to find the right gemstone

Posted By Liz in May, 2026

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Overall Rating -> 9

I've made several purchases over the last 8 years and I've never been less than happy with any of them.

Posted By Jess in July, 2026

Source: Bizrate

Overall Rating -> 10

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025

Source: Bizrate

Overall Rating -> 10

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025

Source: Bizrate

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