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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0.06ct Blue Diamond, Square, VS

2.1 x 1.9 mm

$ 67.07

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0.10ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 79.68

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0.05ct Blue Diamond, Round, VS

2.4 mm (calibrated)

$ 46.58

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0.08ct Green Diamond, Square, VS

2.3 x 2.2 mm

$ 89.42

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0.03ct Blue Diamond, Round, VS

2.2 mm (calibrated)

$ 29.88

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0.10ct Black Diamond, Round, Opaque

2.9 mm (calibrated)

$ 34.23

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0.10ctw Black Diamond, Square, Opaque

2 x 2 mm (calibrated)

$ 49.80

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0.04ct Black Diamond, Square, Opaque

2 x 1.7 mm

$ 19.92

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0.03ct Blue Diamond, Round, VS

2.3 mm (calibrated)

$ 33.53

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0.02ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 15.94

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0.03ct Black Diamond, Round, Opaque

2 mm (calibrated)

$ 23.90

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0.07ct Black Diamond, Square, Opaque

1.9 x 1.8 mm

$ 34.86

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0.06ct Green Diamond, Round, SI

2.3 mm (calibrated)

$ 55.89

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0.04ct Blue Diamond, Round, SI

2.2 mm (calibrated)

$ 43.16

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0.04ct Blue Diamond, Round, VVS

2.1 mm (calibrated)

$ 39.84

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0.98ct Black Diamond, Square, Opaque

4.9 x 4.7 mm

$ 558.27

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0.17ctw White Diamond, Round, VVS-VS

2.8 mm (calibrated)

$ 303.91

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0.14ctw White Diamond, Round, VVS-VS

2.7 mm (calibrated)

$ 254.36

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0.10ctw Black Diamond, Round, Opaque

2.1 mm (calibrated)

$ 79.68

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0.07ct Blue Diamond, Round, VS

2.5 mm (calibrated)

$ 83.07

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0.09ct White Diamond, Marquise, VVS

4 x 2 mm (calibrated)

$ 312.80

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0.04ct Blue Diamond, Round, VS

2.4 mm (calibrated)

$ 44.71

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0.08ct Blue Diamond, Square, VS-SI

2.3 x 2.2 mm

$ 89.42

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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

I needed a very specific color of tourmaline and Gem Select had it. I had to get the client to agree and then ordered the stone. It arrived better than pictured and we all were very happy.

Posted By Tim W in February, 2026

Source: Bizrate

Overall Rating -> 10

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025

Source: Bizrate

Overall Rating -> 10

Easy process.

Posted By Crafty Seabee in March, 2026

Source: Bizrate

Overall Rating -> 10

overall great

Posted By SR in April, 2026

Source: Bizrate

Overall Rating -> 10

Very neat and to the point

Posted By Botha in March, 2026

Source: Bizrate

Overall Rating -> 10

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025

Source: Bizrate

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