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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0.20ct Black Diamond, Round, Opaque

3.5 mm (calibrated)

$ 95.15

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0.04ct Black Diamond, Square, Opaque

2 x 1.7 mm

$ 19.92

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0.04ct Blue Diamond, Round, VS-SI

2.4 mm (calibrated)

$ 33.20

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0.03ct Black Diamond, Round, Opaque

1.9 mm (calibrated)

$ 10.27

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0.04ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 13.70

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0.08ct Black Diamond, Round, Opaque

2.6 mm (calibrated)

$ 38.71

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0.15ctw White Diamond, Round, VVS-VS

2.7 mm (calibrated)

$ 268.16

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0.21ct Green Diamond, Round, VS-SI

3.7 mm

$ 234.74

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0.06ct Black Diamond, Round, Opaque

2.2 mm (calibrated)

$ 20.53

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0.09ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 26.15

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0.03ct White Diamond, Round, VVS

2 mm (calibrated)

$ 68.48

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0.04ct Blue Diamond, Round, VVS-VS

2 mm (calibrated)

$ 48.70

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0.05ct Black Diamond, Round, Opaque

2.2 mm (calibrated)

$ 16.28

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0.08ct Blue Diamond, Square, VS-SI

2.5 x 2.1 mm

$ 74.52

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0.25ct Black Diamond, Square, Opaque

3 x 2.8 mm

$ 124.50

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0.27ctw Black Diamond, Round, Opaque

3 mm (calibrated)

$ 128.44

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0.09ctw Black Diamond, Square, Opaque

1.9 x 1.9 mm

$ 44.82

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0.04ct Blue Diamond, Round, VS

2.1 mm (calibrated)

$ 39.84

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0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 23.90

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0.07ct Blue Diamond, Round, SI

2.6 mm (calibrated)

$ 78.24

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0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 10.27

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0.12ct Blue Diamond, Round, SI

3 mm (calibrated)

$ 121.73

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0.18ct Yellow Diamond, Round, VS

3.5 mm (calibrated)

$ 295.20

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0.07ctw Black Diamond, Round, Opaque

1.9 mm (calibrated)

$ 20.34

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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

Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.

Posted By Sal in July, 2025

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 -> 9

It was great!

Posted By Annie in September, 2025

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

Overall Rating -> 10

The website has a good selection, the interface is very intuitive.

Posted By PhoenixFeatherJewelry in January, 2026

Source: Bizrate

Overall Rating -> 10

Always get a nice gemstone. Just like the picture. Never disappointed

Posted By Ron T in June, 2026

Source: Bizrate

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