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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0.14ct Black Diamond, Round, Opaque

3 mm (calibrated)

$ 51.36

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0.24ctw Black Diamond, Round, Opaque

3 mm (calibrated)

$ 114.17

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0.11ct Black Diamond, Square, Opaque

2.4 x 2.3 mm

$ 46.29

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0.14ctw Black Diamond, Square, Opaque

2.2 x 2.2 mm

$ 69.72

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0.12ct Black Diamond, Square, Opaque

2.5 x 2.4 mm

$ 50.42

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0.14ct Black Diamond, Square, Opaque

2.6 x 2.4 mm

$ 69.72

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0.23ctw Black Diamond, Square, Opaque

2.6 x 2.5 mm

$ 114.54

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0.06ct Black Diamond, Round, Opaque

2.3 mm (calibrated)

$ 15.94

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0.11ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 31.96

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0.04ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 13.70

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0.55ct Black Diamond, Round, Opaque

4.8 mm

$ 438.24

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0.06ct Black Diamond, Round, Opaque

2.4 mm (calibrated)

$ 29.03

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0.14ctw Black Diamond, Square, Opaque

2 x 2 mm (calibrated)

$ 69.72

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0.08ct Black Diamond, Round, Opaque

2.6 mm (calibrated)

$ 38.71

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1.07ct Black Diamond, Square, Opaque

5 x 5 mm (calibrated)

$ 507.96

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0.07ct Black Diamond, Round, Opaque

2.7 mm (calibrated)

$ 23.96

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0.02ct Black Diamond, Round, Opaque

1.9 mm (calibrated)

$ 15.94

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0.07ctw Black Diamond, Round, Opaque

1.9 mm (calibrated)

$ 20.34

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0.02ct Black Diamond, Round, Opaque

1.9 mm (calibrated)

$ 13.28

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0.12ctw Black Diamond, Round, Opaque

2.3 mm (calibrated)

$ 54.38

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0.04ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 31.87

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0.18ct Black Diamond, Round, Opaque

3.5 mm (calibrated)

$ 85.62

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0.27ctw Black Diamond, Round, Opaque

3 mm (calibrated)

$ 128.44

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0.05ct Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 10.75

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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 -> 7

Easy, quick.

Posted By Mich in June, 2026

Source: Bizrate

Overall Rating -> 10

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025

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Overall Rating -> 10

I have made many purchases from GemSelect over the years, and I have a beautiful collection of jewelry as a result. My purchases have always been exactly as described, and I have enjoyed doing business with you.

Posted By MMM in July, 2026

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Overall Rating -> 10

Very good.

Posted By Tommy in December, 2025

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Overall Rating -> 8

It was fine

Posted By Na in April, 2026

Source: Bizrate

Overall Rating -> 8

I've purchased things from GemSelect before. What you see is what you get, which is not always the case with gem sites online. You can find some good value with gem select, and I will buy from them again.

Posted By Meyeusername in March, 2026

Source: Bizrate

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